Home / 88,685.13-122,388.35-50,443.70

Finding the Fourth Proportional to 88,685.13, 122,388.35 and 50,443.70

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Solution

The fourth proportional to 88,685.13, 122,388.35 and 50,443.70 is: 69,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,685.13 : 122,388.35 = 50,443.70 : x
  2. Step 2: Convert to fraction form
    88,685.13/122,388.35 = 50,443.70/x
  3. Step 3: Cross multiply
    88,685.13x = 122,388.35 × 50,443.70
  4. Step 4: Simplify right side
    88,685.13x = 6,173,720,346.73
  5. Step 5: Solve for x
    x = 6,173,720,346.73/88,685.13
  6. Step 6: Final answer
    x = 69,613.93

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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.