Home / 84,563.28-126,753.66-55,002.42

Finding the Fourth Proportional to 84,563.28, 126,753.66 and 55,002.42

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Solution

The fourth proportional to 84,563.28, 126,753.66 and 55,002.42 is: 82,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,563.28 : 126,753.66 = 55,002.42 : x
  2. Step 2: Convert to fraction form
    84,563.28/126,753.66 = 55,002.42/x
  3. Step 3: Cross multiply
    84,563.28x = 126,753.66 × 55,002.42
  4. Step 4: Simplify right side
    84,563.28x = 6,971,758,043.86
  5. Step 5: Solve for x
    x = 6,971,758,043.86/84,563.28
  6. Step 6: Final answer
    x = 82,444.27

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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.