Home / 84,420.48-126,649.92-44,956.80

Finding the Fourth Proportional to 84,420.48, 126,649.92 and 44,956.80

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Solution

The fourth proportional to 84,420.48, 126,649.92 and 44,956.80 is: 67,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,420.48 : 126,649.92 = 44,956.80 : x
  2. Step 2: Convert to fraction form
    84,420.48/126,649.92 = 44,956.80/x
  3. Step 3: Cross multiply
    84,420.48x = 126,649.92 × 44,956.80
  4. Step 4: Simplify right side
    84,420.48x = 5,693,775,123.46
  5. Step 5: Solve for x
    x = 5,693,775,123.46/84,420.48
  6. Step 6: Final answer
    x = 67,445.42

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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.