Home / 99,593.08-137,437.20-54,273.04

Finding the Fourth Proportional to 99,593.08, 137,437.20 and 54,273.04

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Solution

The fourth proportional to 99,593.08, 137,437.20 and 54,273.04 is: 74,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,593.08 : 137,437.20 = 54,273.04 : x
  2. Step 2: Convert to fraction form
    99,593.08/137,437.20 = 54,273.04/x
  3. Step 3: Cross multiply
    99,593.08x = 137,437.20 × 54,273.04
  4. Step 4: Simplify right side
    99,593.08x = 7,459,134,653.09
  5. Step 5: Solve for x
    x = 7,459,134,653.09/99,593.08
  6. Step 6: Final answer
    x = 74,896.11

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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.