Home / 80,626.47-120,898.20-36,215.10

Finding the Fourth Proportional to 80,626.47, 120,898.20 and 36,215.10

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Solution

The fourth proportional to 80,626.47, 120,898.20 and 36,215.10 is: 54,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,626.47 : 120,898.20 = 36,215.10 : x
  2. Step 2: Convert to fraction form
    80,626.47/120,898.20 = 36,215.10/x
  3. Step 3: Cross multiply
    80,626.47x = 120,898.20 × 36,215.10
  4. Step 4: Simplify right side
    80,626.47x = 4,378,340,402.82
  5. Step 5: Solve for x
    x = 4,378,340,402.82/80,626.47
  6. Step 6: Final answer
    x = 54,304.01

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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.