Home / 84,258.48-126,387.36-34,327.44

Finding the Fourth Proportional to 84,258.48, 126,387.36 and 34,327.44

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Solution

The fourth proportional to 84,258.48, 126,387.36 and 34,327.44 is: 51,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,258.48 : 126,387.36 = 34,327.44 : x
  2. Step 2: Convert to fraction form
    84,258.48/126,387.36 = 34,327.44/x
  3. Step 3: Cross multiply
    84,258.48x = 126,387.36 × 34,327.44
  4. Step 4: Simplify right side
    84,258.48x = 4,338,554,517.16
  5. Step 5: Solve for x
    x = 4,338,554,517.16/84,258.48
  6. Step 6: Final answer
    x = 51,491.01

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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.