Home / 80,424.66-120,617.55-33,712.50

Finding the Fourth Proportional to 80,424.66, 120,617.55 and 33,712.50

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Solution

The fourth proportional to 80,424.66, 120,617.55 and 33,712.50 is: 50,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,424.66 : 120,617.55 = 33,712.50 : x
  2. Step 2: Convert to fraction form
    80,424.66/120,617.55 = 33,712.50/x
  3. Step 3: Cross multiply
    80,424.66x = 120,617.55 × 33,712.50
  4. Step 4: Simplify right side
    80,424.66x = 4,066,319,154.38
  5. Step 5: Solve for x
    x = 4,066,319,154.38/80,424.66
  6. Step 6: Final answer
    x = 50,560.60

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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.