Home / 84,257.52-126,399.96-31,671.24

Finding the Fourth Proportional to 84,257.52, 126,399.96 and 31,671.24

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Solution

The fourth proportional to 84,257.52, 126,399.96 and 31,671.24 is: 47,512.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,257.52 : 126,399.96 = 31,671.24 : x
  2. Step 2: Convert to fraction form
    84,257.52/126,399.96 = 31,671.24/x
  3. Step 3: Cross multiply
    84,257.52x = 126,399.96 × 31,671.24
  4. Step 4: Simplify right side
    84,257.52x = 4,003,243,469.15
  5. Step 5: Solve for x
    x = 4,003,243,469.15/84,257.52
  6. Step 6: Final answer
    x = 47,512.00

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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.