Home / 99,836.94-137,773.14-54,513.69

Finding the Fourth Proportional to 99,836.94, 137,773.14 and 54,513.69

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Solution

The fourth proportional to 99,836.94, 137,773.14 and 54,513.69 is: 75,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,836.94 : 137,773.14 = 54,513.69 : x
  2. Step 2: Convert to fraction form
    99,836.94/137,773.14 = 54,513.69/x
  3. Step 3: Cross multiply
    99,836.94x = 137,773.14 × 54,513.69
  4. Step 4: Simplify right side
    99,836.94x = 7,510,522,244.29
  5. Step 5: Solve for x
    x = 7,510,522,244.29/99,836.94
  6. Step 6: Final answer
    x = 75,227.89

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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.