Home / 113,759.28-156,976.92-63,461.52

Finding the Fourth Proportional to 113,759.28, 156,976.92 and 63,461.52

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Solution

The fourth proportional to 113,759.28, 156,976.92 and 63,461.52 is: 87,570.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,759.28 : 156,976.92 = 63,461.52 : x
  2. Step 2: Convert to fraction form
    113,759.28/156,976.92 = 63,461.52/x
  3. Step 3: Cross multiply
    113,759.28x = 156,976.92 × 63,461.52
  4. Step 4: Simplify right side
    113,759.28x = 9,961,993,948.12
  5. Step 5: Solve for x
    x = 9,961,993,948.12/113,759.28
  6. Step 6: Final answer
    x = 87,570.82

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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.