Home / 71,428.17-98,545.46-41,221.14

Finding the Fourth Proportional to 71,428.17, 98,545.46 and 41,221.14

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Solution

The fourth proportional to 71,428.17, 98,545.46 and 41,221.14 is: 56,870.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,428.17 : 98,545.46 = 41,221.14 : x
  2. Step 2: Convert to fraction form
    71,428.17/98,545.46 = 41,221.14/x
  3. Step 3: Cross multiply
    71,428.17x = 98,545.46 × 41,221.14
  4. Step 4: Simplify right side
    71,428.17x = 4,062,156,203.02
  5. Step 5: Solve for x
    x = 4,062,156,203.02/71,428.17
  6. Step 6: Final answer
    x = 56,870.51

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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.