Home / 99,497.52-137,302.08-54,174.36

Finding the Fourth Proportional to 99,497.52, 137,302.08 and 54,174.36

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Solution

The fourth proportional to 99,497.52, 137,302.08 and 54,174.36 is: 74,758.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,497.52 : 137,302.08 = 54,174.36 : x
  2. Step 2: Convert to fraction form
    99,497.52/137,302.08 = 54,174.36/x
  3. Step 3: Cross multiply
    99,497.52x = 137,302.08 × 54,174.36
  4. Step 4: Simplify right side
    99,497.52x = 7,438,252,310.67
  5. Step 5: Solve for x
    x = 7,438,252,310.67/99,497.52
  6. Step 6: Final answer
    x = 74,758.17

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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.