Home / 89,545.59-123,541.14-55,518.90

Finding the Fourth Proportional to 89,545.59, 123,541.14 and 55,518.90

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Solution

The fourth proportional to 89,545.59, 123,541.14 and 55,518.90 is: 76,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,545.59 : 123,541.14 = 55,518.90 : x
  2. Step 2: Convert to fraction form
    89,545.59/123,541.14 = 55,518.90/x
  3. Step 3: Cross multiply
    89,545.59x = 123,541.14 × 55,518.90
  4. Step 4: Simplify right side
    89,545.59x = 6,858,868,197.55
  5. Step 5: Solve for x
    x = 6,858,868,197.55/89,545.59
  6. Step 6: Final answer
    x = 76,596.38

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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.