Home / 85,990.16-118,666.94-47,750.33

Finding the Fourth Proportional to 85,990.16, 118,666.94 and 47,750.33

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Solution

The fourth proportional to 85,990.16, 118,666.94 and 47,750.33 is: 65,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,990.16 : 118,666.94 = 47,750.33 : x
  2. Step 2: Convert to fraction form
    85,990.16/118,666.94 = 47,750.33/x
  3. Step 3: Cross multiply
    85,990.16x = 118,666.94 × 47,750.33
  4. Step 4: Simplify right side
    85,990.16x = 5,666,384,713.00
  5. Step 5: Solve for x
    x = 5,666,384,713.00/85,990.16
  6. Step 6: Final answer
    x = 65,895.74

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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.