Home / 96,815.92-145,280.72-40,651.71

Finding the Fourth Proportional to 96,815.92, 145,280.72 and 40,651.71

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Solution

The fourth proportional to 96,815.92, 145,280.72 and 40,651.71 is: 61,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,815.92 : 145,280.72 = 40,651.71 : x
  2. Step 2: Convert to fraction form
    96,815.92/145,280.72 = 40,651.71/x
  3. Step 3: Cross multiply
    96,815.92x = 145,280.72 × 40,651.71
  4. Step 4: Simplify right side
    96,815.92x = 5,905,908,949.97
  5. Step 5: Solve for x
    x = 5,905,908,949.97/96,815.92
  6. Step 6: Final answer
    x = 61,001.43

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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.