Home / 94,761.57-142,311.76-90,951.92

Finding the Fourth Proportional to 94,761.57, 142,311.76 and 90,951.92

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Solution

The fourth proportional to 94,761.57, 142,311.76 and 90,951.92 is: 136,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,761.57 : 142,311.76 = 90,951.92 : x
  2. Step 2: Convert to fraction form
    94,761.57/142,311.76 = 90,951.92/x
  3. Step 3: Cross multiply
    94,761.57x = 142,311.76 × 90,951.92
  4. Step 4: Simplify right side
    94,761.57x = 12,943,527,099.02
  5. Step 5: Solve for x
    x = 12,943,527,099.02/94,761.57
  6. Step 6: Final answer
    x = 136,590.47

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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.