Home / 85,998.29-118,685.12-50,199.84

Finding the Fourth Proportional to 85,998.29, 118,685.12 and 50,199.84

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Solution

The fourth proportional to 85,998.29, 118,685.12 and 50,199.84 is: 69,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,998.29 : 118,685.12 = 50,199.84 : x
  2. Step 2: Convert to fraction form
    85,998.29/118,685.12 = 50,199.84/x
  3. Step 3: Cross multiply
    85,998.29x = 118,685.12 × 50,199.84
  4. Step 4: Simplify right side
    85,998.29x = 5,957,973,783.38
  5. Step 5: Solve for x
    x = 5,957,973,783.38/85,998.29
  6. Step 6: Final answer
    x = 69,280.15

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Half scale
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Double scale
Find fourth proportional to 85,999.29, 118,686.50 and 50,200.84
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.