Home / 84,535.30-126,711.42-54,974.35

Finding the Fourth Proportional to 84,535.30, 126,711.42 and 54,974.35

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Solution

The fourth proportional to 84,535.30, 126,711.42 and 54,974.35 is: 82,402.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,535.30 : 126,711.42 = 54,974.35 : x
  2. Step 2: Convert to fraction form
    84,535.30/126,711.42 = 54,974.35/x
  3. Step 3: Cross multiply
    84,535.30x = 126,711.42 × 54,974.35
  4. Step 4: Simplify right side
    84,535.30x = 6,965,877,952.08
  5. Step 5: Solve for x
    x = 6,965,877,952.08/84,535.30
  6. Step 6: Final answer
    x = 82,402.00

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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.