Home / 99,327.56-137,072.54-54,005.90

Finding the Fourth Proportional to 99,327.56, 137,072.54 and 54,005.90

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Solution

The fourth proportional to 99,327.56, 137,072.54 and 54,005.90 is: 74,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,327.56 : 137,072.54 = 54,005.90 : x
  2. Step 2: Convert to fraction form
    99,327.56/137,072.54 = 54,005.90/x
  3. Step 3: Cross multiply
    99,327.56x = 137,072.54 × 54,005.90
  4. Step 4: Simplify right side
    99,327.56x = 7,402,726,365.68
  5. Step 5: Solve for x
    x = 7,402,726,365.68/99,327.56
  6. Step 6: Final answer
    x = 74,528.42

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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.