Home / 84,227.08-126,346.02-34,279.96

Finding the Fourth Proportional to 84,227.08, 126,346.02 and 34,279.96

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Solution

The fourth proportional to 84,227.08, 126,346.02 and 34,279.96 is: 51,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,227.08 : 126,346.02 = 34,279.96 : x
  2. Step 2: Convert to fraction form
    84,227.08/126,346.02 = 34,279.96/x
  3. Step 3: Cross multiply
    84,227.08x = 126,346.02 × 34,279.96
  4. Step 4: Simplify right side
    84,227.08x = 4,331,136,511.76
  5. Step 5: Solve for x
    x = 4,331,136,511.76/84,227.08
  6. Step 6: Final answer
    x = 51,422.14

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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.