Home / 113,610.18-156,774.91-62,620.10

Finding the Fourth Proportional to 113,610.18, 156,774.91 and 62,620.10

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Solution

The fourth proportional to 113,610.18, 156,774.91 and 62,620.10 is: 86,411.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,610.18 : 156,774.91 = 62,620.10 : x
  2. Step 2: Convert to fraction form
    113,610.18/156,774.91 = 62,620.10/x
  3. Step 3: Cross multiply
    113,610.18x = 156,774.91 × 62,620.10
  4. Step 4: Simplify right side
    113,610.18x = 9,817,261,188.44
  5. Step 5: Solve for x
    x = 9,817,261,188.44/113,610.18
  6. Step 6: Final answer
    x = 86,411.81

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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.