Home / 99,349.13-137,102.46-54,027.61

Finding the Fourth Proportional to 99,349.13, 137,102.46 and 54,027.61

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Solution

The fourth proportional to 99,349.13, 137,102.46 and 54,027.61 is: 74,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,349.13 : 137,102.46 = 54,027.61 : x
  2. Step 2: Convert to fraction form
    99,349.13/137,102.46 = 54,027.61/x
  3. Step 3: Cross multiply
    99,349.13x = 137,102.46 × 54,027.61
  4. Step 4: Simplify right side
    99,349.13x = 7,407,317,693.56
  5. Step 5: Solve for x
    x = 7,407,317,693.56/99,349.13
  6. Step 6: Final answer
    x = 74,558.45

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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.