Home / 83,545.92-115,288.50-45,820.17

Finding the Fourth Proportional to 83,545.92, 115,288.50 and 45,820.17

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Solution

The fourth proportional to 83,545.92, 115,288.50 and 45,820.17 is: 63,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,545.92 : 115,288.50 = 45,820.17 : x
  2. Step 2: Convert to fraction form
    83,545.92/115,288.50 = 45,820.17/x
  3. Step 3: Cross multiply
    83,545.92x = 115,288.50 × 45,820.17
  4. Step 4: Simplify right side
    83,545.92x = 5,282,538,669.05
  5. Step 5: Solve for x
    x = 5,282,538,669.05/83,545.92
  6. Step 6: Final answer
    x = 63,229.16

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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.