Home / 99,327.48-137,052.24-55,721.44

Finding the Fourth Proportional to 99,327.48, 137,052.24 and 55,721.44

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Solution

The fourth proportional to 99,327.48, 137,052.24 and 55,721.44 is: 76,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,327.48 : 137,052.24 = 55,721.44 : x
  2. Step 2: Convert to fraction form
    99,327.48/137,052.24 = 55,721.44/x
  3. Step 3: Cross multiply
    99,327.48x = 137,052.24 × 55,721.44
  4. Step 4: Simplify right side
    99,327.48x = 7,636,748,168.03
  5. Step 5: Solve for x
    x = 7,636,748,168.03/99,327.48
  6. Step 6: Final answer
    x = 76,884.55

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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.