Home / 80,165.26-120,275.46-35,822.62

Finding the Fourth Proportional to 80,165.26, 120,275.46 and 35,822.62

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Solution

The fourth proportional to 80,165.26, 120,275.46 and 35,822.62 is: 53,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,165.26 : 120,275.46 = 35,822.62 : x
  2. Step 2: Convert to fraction form
    80,165.26/120,275.46 = 35,822.62/x
  3. Step 3: Cross multiply
    80,165.26x = 120,275.46 × 35,822.62
  4. Step 4: Simplify right side
    80,165.26x = 4,308,582,098.91
  5. Step 5: Solve for x
    x = 4,308,582,098.91/80,165.26
  6. Step 6: Final answer
    x = 53,746.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.