Home / 113,764.48-156,998.28-62,780.56

Finding the Fourth Proportional to 113,764.48, 156,998.28 and 62,780.56

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Solution

The fourth proportional to 113,764.48, 156,998.28 and 62,780.56 is: 86,638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,764.48 : 156,998.28 = 62,780.56 : x
  2. Step 2: Convert to fraction form
    113,764.48/156,998.28 = 62,780.56/x
  3. Step 3: Cross multiply
    113,764.48x = 156,998.28 × 62,780.56
  4. Step 4: Simplify right side
    113,764.48x = 9,856,439,937.44
  5. Step 5: Solve for x
    x = 9,856,439,937.44/113,764.48
  6. Step 6: Final answer
    x = 86,638.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.