Home / 110,402.45-152,375.25-65,077.74

Finding the Fourth Proportional to 110,402.45, 152,375.25 and 65,077.74

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Solution

The fourth proportional to 110,402.45, 152,375.25 and 65,077.74 is: 89,819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,402.45 : 152,375.25 = 65,077.74 : x
  2. Step 2: Convert to fraction form
    110,402.45/152,375.25 = 65,077.74/x
  3. Step 3: Cross multiply
    110,402.45x = 152,375.25 × 65,077.74
  4. Step 4: Simplify right side
    110,402.45x = 9,916,236,901.94
  5. Step 5: Solve for x
    x = 9,916,236,901.94/110,402.45
  6. Step 6: Final answer
    x = 89,819.00

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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.