Home / 113,432.90-156,519.88-65,677.02

Finding the Fourth Proportional to 113,432.90, 156,519.88 and 65,677.02

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Solution

The fourth proportional to 113,432.90, 156,519.88 and 65,677.02 is: 90,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,432.90 : 156,519.88 = 65,677.02 : x
  2. Step 2: Convert to fraction form
    113,432.90/156,519.88 = 65,677.02/x
  3. Step 3: Cross multiply
    113,432.90x = 156,519.88 × 65,677.02
  4. Step 4: Simplify right side
    113,432.90x = 10,279,759,352.07
  5. Step 5: Solve for x
    x = 10,279,759,352.07/113,432.90
  6. Step 6: Final answer
    x = 90,624.14

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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.