Home / 84,272.28-126,377.40-34,325.25

Finding the Fourth Proportional to 84,272.28, 126,377.40 and 34,325.25

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Solution

The fourth proportional to 84,272.28, 126,377.40 and 34,325.25 is: 51,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,272.28 : 126,377.40 = 34,325.25 : x
  2. Step 2: Convert to fraction form
    84,272.28/126,377.40 = 34,325.25/x
  3. Step 3: Cross multiply
    84,272.28x = 126,377.40 × 34,325.25
  4. Step 4: Simplify right side
    84,272.28x = 4,337,935,849.35
  5. Step 5: Solve for x
    x = 4,337,935,849.35/84,272.28
  6. Step 6: Final answer
    x = 51,475.24

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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.