Home / 89,414.85-134,000.16-45,071.61

Finding the Fourth Proportional to 89,414.85, 134,000.16 and 45,071.61

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Solution

The fourth proportional to 89,414.85, 134,000.16 and 45,071.61 is: 67,545.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,414.85 : 134,000.16 = 45,071.61 : x
  2. Step 2: Convert to fraction form
    89,414.85/134,000.16 = 45,071.61/x
  3. Step 3: Cross multiply
    89,414.85x = 134,000.16 × 45,071.61
  4. Step 4: Simplify right side
    89,414.85x = 6,039,602,951.46
  5. Step 5: Solve for x
    x = 6,039,602,951.46/89,414.85
  6. Step 6: Final answer
    x = 67,545.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.