Home / 84,132.32-126,171.16-27,957.33

Finding the Fourth Proportional to 84,132.32, 126,171.16 and 27,957.33

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Solution

The fourth proportional to 84,132.32, 126,171.16 and 27,957.33 is: 41,926.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,132.32 : 126,171.16 = 27,957.33 : x
  2. Step 2: Convert to fraction form
    84,132.32/126,171.16 = 27,957.33/x
  3. Step 3: Cross multiply
    84,132.32x = 126,171.16 × 27,957.33
  4. Step 4: Simplify right side
    84,132.32x = 3,527,408,686.71
  5. Step 5: Solve for x
    x = 3,527,408,686.71/84,132.32
  6. Step 6: Final answer
    x = 41,926.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.