Home / 96,819.61-145,286.25-40,655.39

Finding the Fourth Proportional to 96,819.61, 145,286.25 and 40,655.39

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Solution

The fourth proportional to 96,819.61, 145,286.25 and 40,655.39 is: 61,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,819.61 : 145,286.25 = 40,655.39 : x
  2. Step 2: Convert to fraction form
    96,819.61/145,286.25 = 40,655.39/x
  3. Step 3: Cross multiply
    96,819.61x = 145,286.25 × 40,655.39
  4. Step 4: Simplify right side
    96,819.61x = 5,906,669,155.39
  5. Step 5: Solve for x
    x = 5,906,669,155.39/96,819.61
  6. Step 6: Final answer
    x = 61,006.95

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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.