Home / 84,494.28-126,765.36-42,323.43

Finding the Fourth Proportional to 84,494.28, 126,765.36 and 42,323.43

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Solution

The fourth proportional to 84,494.28, 126,765.36 and 42,323.43 is: 63,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,494.28 : 126,765.36 = 42,323.43 : x
  2. Step 2: Convert to fraction form
    84,494.28/126,765.36 = 42,323.43/x
  3. Step 3: Cross multiply
    84,494.28x = 126,765.36 × 42,323.43
  4. Step 4: Simplify right side
    84,494.28x = 5,365,144,840.38
  5. Step 5: Solve for x
    x = 5,365,144,840.38/84,494.28
  6. Step 6: Final answer
    x = 63,497.14

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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.