Home / 71,116.14-98,140.61-38,851.22

Finding the Fourth Proportional to 71,116.14, 98,140.61 and 38,851.22

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Solution

The fourth proportional to 71,116.14, 98,140.61 and 38,851.22 is: 53,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,116.14 : 98,140.61 = 38,851.22 : x
  2. Step 2: Convert to fraction form
    71,116.14/98,140.61 = 38,851.22/x
  3. Step 3: Cross multiply
    71,116.14x = 98,140.61 × 38,851.22
  4. Step 4: Simplify right side
    71,116.14x = 3,812,882,430.04
  5. Step 5: Solve for x
    x = 3,812,882,430.04/71,116.14
  6. Step 6: Final answer
    x = 53,614.87

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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.