Home / 113,587.11-156,751.28-62,601.66

Finding the Fourth Proportional to 113,587.11, 156,751.28 and 62,601.66

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Solution

The fourth proportional to 113,587.11, 156,751.28 and 62,601.66 is: 86,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,587.11 : 156,751.28 = 62,601.66 : x
  2. Step 2: Convert to fraction form
    113,587.11/156,751.28 = 62,601.66/x
  3. Step 3: Cross multiply
    113,587.11x = 156,751.28 × 62,601.66
  4. Step 4: Simplify right side
    113,587.11x = 9,812,890,413.99
  5. Step 5: Solve for x
    x = 9,812,890,413.99/113,587.11
  6. Step 6: Final answer
    x = 86,390.88

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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.