Home / 113,607.24-156,779.09-62,621.97

Finding the Fourth Proportional to 113,607.24, 156,779.09 and 62,621.97

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Solution

The fourth proportional to 113,607.24, 156,779.09 and 62,621.97 is: 86,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,607.24 : 156,779.09 = 62,621.97 : x
  2. Step 2: Convert to fraction form
    113,607.24/156,779.09 = 62,621.97/x
  3. Step 3: Cross multiply
    113,607.24x = 156,779.09 × 62,621.97
  4. Step 4: Simplify right side
    113,607.24x = 9,817,815,470.61
  5. Step 5: Solve for x
    x = 9,817,815,470.61/113,607.24
  6. Step 6: Final answer
    x = 86,418.92

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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.