Home / 89,607.30-123,657.10-49,320.20

Finding the Fourth Proportional to 89,607.30, 123,657.10 and 49,320.20

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Solution

The fourth proportional to 89,607.30, 123,657.10 and 49,320.20 is: 68,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,607.30 : 123,657.10 = 49,320.20 : x
  2. Step 2: Convert to fraction form
    89,607.30/123,657.10 = 49,320.20/x
  3. Step 3: Cross multiply
    89,607.30x = 123,657.10 × 49,320.20
  4. Step 4: Simplify right side
    89,607.30x = 6,098,792,393.69
  5. Step 5: Solve for x
    x = 6,098,792,393.69/89,607.30
  6. Step 6: Final answer
    x = 68,061.33

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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.