Home / 96,423.60-133,060.68-56,138.52

Finding the Fourth Proportional to 96,423.60, 133,060.68 and 56,138.52

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Solution

The fourth proportional to 96,423.60, 133,060.68 and 56,138.52 is: 77,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,423.60 : 133,060.68 = 56,138.52 : x
  2. Step 2: Convert to fraction form
    96,423.60/133,060.68 = 56,138.52/x
  3. Step 3: Cross multiply
    96,423.60x = 133,060.68 × 56,138.52
  4. Step 4: Simplify right side
    96,423.60x = 7,469,829,645.39
  5. Step 5: Solve for x
    x = 7,469,829,645.39/96,423.60
  6. Step 6: Final answer
    x = 77,468.89

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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.