Home / 113,305.87-156,365.91-62,322.54

Finding the Fourth Proportional to 113,305.87, 156,365.91 and 62,322.54

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Solution

The fourth proportional to 113,305.87, 156,365.91 and 62,322.54 is: 86,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,305.87 : 156,365.91 = 62,322.54 : x
  2. Step 2: Convert to fraction form
    113,305.87/156,365.91 = 62,322.54/x
  3. Step 3: Cross multiply
    113,305.87x = 156,365.91 × 62,322.54
  4. Step 4: Simplify right side
    113,305.87x = 9,745,120,680.61
  5. Step 5: Solve for x
    x = 9,745,120,680.61/113,305.87
  6. Step 6: Final answer
    x = 86,007.20

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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.