Home / 89,607.55-123,657.44-49,320.45

Finding the Fourth Proportional to 89,607.55, 123,657.44 and 49,320.45

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Solution

The fourth proportional to 89,607.55, 123,657.44 and 49,320.45 is: 68,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,607.55 : 123,657.44 = 49,320.45 : x
  2. Step 2: Convert to fraction form
    89,607.55/123,657.44 = 49,320.45/x
  3. Step 3: Cross multiply
    89,607.55x = 123,657.44 × 49,320.45
  4. Step 4: Simplify right side
    89,607.55x = 6,098,840,400.81
  5. Step 5: Solve for x
    x = 6,098,840,400.81/89,607.55
  6. Step 6: Final answer
    x = 68,061.68

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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.