Home / 83,999.02-126,000.96-31,398.43

Finding the Fourth Proportional to 83,999.02, 126,000.96 and 31,398.43

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Solution

The fourth proportional to 83,999.02, 126,000.96 and 31,398.43 is: 47,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,999.02 : 126,000.96 = 31,398.43 : x
  2. Step 2: Convert to fraction form
    83,999.02/126,000.96 = 31,398.43/x
  3. Step 3: Cross multiply
    83,999.02x = 126,000.96 × 31,398.43
  4. Step 4: Simplify right side
    83,999.02x = 3,956,232,322.49
  5. Step 5: Solve for x
    x = 3,956,232,322.49/83,999.02
  6. Step 6: Final answer
    x = 47,098.55

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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.