Home / 113,416.28-156,513.21-62,427.91

Finding the Fourth Proportional to 113,416.28, 156,513.21 and 62,427.91

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Solution

The fourth proportional to 113,416.28, 156,513.21 and 62,427.91 is: 86,149.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,416.28 : 156,513.21 = 62,427.91 : x
  2. Step 2: Convert to fraction form
    113,416.28/156,513.21 = 62,427.91/x
  3. Step 3: Cross multiply
    113,416.28x = 156,513.21 × 62,427.91
  4. Step 4: Simplify right side
    113,416.28x = 9,770,792,587.69
  5. Step 5: Solve for x
    x = 9,770,792,587.69/113,416.28
  6. Step 6: Final answer
    x = 86,149.82

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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.