Home / 80,549.14-120,867.18-47,334.10

Finding the Fourth Proportional to 80,549.14, 120,867.18 and 47,334.10

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Solution

The fourth proportional to 80,549.14, 120,867.18 and 47,334.10 is: 71,026.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,549.14 : 120,867.18 = 47,334.10 : x
  2. Step 2: Convert to fraction form
    80,549.14/120,867.18 = 47,334.10/x
  3. Step 3: Cross multiply
    80,549.14x = 120,867.18 × 47,334.10
  4. Step 4: Simplify right side
    80,549.14x = 5,721,139,184.84
  5. Step 5: Solve for x
    x = 5,721,139,184.84/80,549.14
  6. Step 6: Final answer
    x = 71,026.69

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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.