Home / 89,607.17-123,656.92-49,320.07

Finding the Fourth Proportional to 89,607.17, 123,656.92 and 49,320.07

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Solution

The fourth proportional to 89,607.17, 123,656.92 and 49,320.07 is: 68,061.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,607.17 : 123,656.92 = 49,320.07 : x
  2. Step 2: Convert to fraction form
    89,607.17/123,656.92 = 49,320.07/x
  3. Step 3: Cross multiply
    89,607.17x = 123,656.92 × 49,320.07
  4. Step 4: Simplify right side
    89,607.17x = 6,098,767,950.38
  5. Step 5: Solve for x
    x = 6,098,767,950.38/89,607.17
  6. Step 6: Final answer
    x = 68,061.16

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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.