Home / 113,318.04-156,375.59-62,330.72

Finding the Fourth Proportional to 113,318.04, 156,375.59 and 62,330.72

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Solution

The fourth proportional to 113,318.04, 156,375.59 and 62,330.72 is: 86,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,318.04 : 156,375.59 = 62,330.72 : x
  2. Step 2: Convert to fraction form
    113,318.04/156,375.59 = 62,330.72/x
  3. Step 3: Cross multiply
    113,318.04x = 156,375.59 × 62,330.72
  4. Step 4: Simplify right side
    113,318.04x = 9,747,002,196.90
  5. Step 5: Solve for x
    x = 9,747,002,196.90/113,318.04
  6. Step 6: Final answer
    x = 86,014.57

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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.