Home / 99,373.76-137,136.24-54,051.92

Finding the Fourth Proportional to 99,373.76, 137,136.24 and 54,051.92

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Solution

The fourth proportional to 99,373.76, 137,136.24 and 54,051.92 is: 74,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,373.76 : 137,136.24 = 54,051.92 : x
  2. Step 2: Convert to fraction form
    99,373.76/137,136.24 = 54,051.92/x
  3. Step 3: Cross multiply
    99,373.76x = 137,136.24 × 54,051.92
  4. Step 4: Simplify right side
    99,373.76x = 7,412,477,073.58
  5. Step 5: Solve for x
    x = 7,412,477,073.58/99,373.76
  6. Step 6: Final answer
    x = 74,591.90

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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.