Home / 71,116.79-98,140.32-38,851.25

Finding the Fourth Proportional to 71,116.79, 98,140.32 and 38,851.25

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Solution

The fourth proportional to 71,116.79, 98,140.32 and 38,851.25 is: 53,614.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,116.79 : 98,140.32 = 38,851.25 : x
  2. Step 2: Convert to fraction form
    71,116.79/98,140.32 = 38,851.25/x
  3. Step 3: Cross multiply
    71,116.79x = 98,140.32 × 38,851.25
  4. Step 4: Simplify right side
    71,116.79x = 3,812,873,616.70
  5. Step 5: Solve for x
    x = 3,812,873,616.70/71,116.79
  6. Step 6: Final answer
    x = 53,614.26

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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.