Home / 83,999.36-125,994.24-21,672.96

Finding the Fourth Proportional to 83,999.36, 125,994.24 and 21,672.96

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Solution

The fourth proportional to 83,999.36, 125,994.24 and 21,672.96 is: 32,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,999.36 : 125,994.24 = 21,672.96 : x
  2. Step 2: Convert to fraction form
    83,999.36/125,994.24 = 21,672.96/x
  3. Step 3: Cross multiply
    83,999.36x = 125,994.24 × 21,672.96
  4. Step 4: Simplify right side
    83,999.36x = 2,730,668,123.75
  5. Step 5: Solve for x
    x = 2,730,668,123.75/83,999.36
  6. Step 6: Final answer
    x = 32,508.20

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1.5x scale

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.