Home / 84,224.88-126,319.92-31,633.20

Finding the Fourth Proportional to 84,224.88, 126,319.92 and 31,633.20

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Solution

The fourth proportional to 84,224.88, 126,319.92 and 31,633.20 is: 47,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,224.88 : 126,319.92 = 31,633.20 : x
  2. Step 2: Convert to fraction form
    84,224.88/126,319.92 = 31,633.20/x
  3. Step 3: Cross multiply
    84,224.88x = 126,319.92 × 31,633.20
  4. Step 4: Simplify right side
    84,224.88x = 3,995,903,293.34
  5. Step 5: Solve for x
    x = 3,995,903,293.34/84,224.88
  6. Step 6: Final answer
    x = 47,443.26

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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.