Home / 74,275.68-102,500.49-40,284.17

Finding the Fourth Proportional to 74,275.68, 102,500.49 and 40,284.17

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Solution

The fourth proportional to 74,275.68, 102,500.49 and 40,284.17 is: 55,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,275.68 : 102,500.49 = 40,284.17 : x
  2. Step 2: Convert to fraction form
    74,275.68/102,500.49 = 40,284.17/x
  3. Step 3: Cross multiply
    74,275.68x = 102,500.49 × 40,284.17
  4. Step 4: Simplify right side
    74,275.68x = 4,129,146,651.74
  5. Step 5: Solve for x
    x = 4,129,146,651.74/74,275.68
  6. Step 6: Final answer
    x = 55,592.18

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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.