Home / 113,456.12-156,568.14-62,467.80

Finding the Fourth Proportional to 113,456.12, 156,568.14 and 62,467.80

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Solution

The fourth proportional to 113,456.12, 156,568.14 and 62,467.80 is: 86,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,456.12 : 156,568.14 = 62,467.80 : x
  2. Step 2: Convert to fraction form
    113,456.12/156,568.14 = 62,467.80/x
  3. Step 3: Cross multiply
    113,456.12x = 156,568.14 × 62,467.80
  4. Step 4: Simplify right side
    113,456.12x = 9,780,467,255.89
  5. Step 5: Solve for x
    x = 9,780,467,255.89/113,456.12
  6. Step 6: Final answer
    x = 86,204.85

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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.