Home / 84,367.17-126,488.12-51,079.31

Finding the Fourth Proportional to 84,367.17, 126,488.12 and 51,079.31

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Solution

The fourth proportional to 84,367.17, 126,488.12 and 51,079.31 is: 76,581.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,367.17 : 126,488.12 = 51,079.31 : x
  2. Step 2: Convert to fraction form
    84,367.17/126,488.12 = 51,079.31/x
  3. Step 3: Cross multiply
    84,367.17x = 126,488.12 × 51,079.31
  4. Step 4: Simplify right side
    84,367.17x = 6,460,925,260.36
  5. Step 5: Solve for x
    x = 6,460,925,260.36/84,367.17
  6. Step 6: Final answer
    x = 76,581.04

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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.