Home / 113,272.53-156,320.10-62,289.15

Finding the Fourth Proportional to 113,272.53, 156,320.10 and 62,289.15

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Solution

The fourth proportional to 113,272.53, 156,320.10 and 62,289.15 is: 85,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,272.53 : 156,320.10 = 62,289.15 : x
  2. Step 2: Convert to fraction form
    113,272.53/156,320.10 = 62,289.15/x
  3. Step 3: Cross multiply
    113,272.53x = 156,320.10 × 62,289.15
  4. Step 4: Simplify right side
    113,272.53x = 9,737,046,156.92
  5. Step 5: Solve for x
    x = 9,737,046,156.92/113,272.53
  6. Step 6: Final answer
    x = 85,961.23

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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.