Home / 80,719.66-121,065.18-24,546.16

Finding the Fourth Proportional to 80,719.66, 121,065.18 and 24,546.16

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Solution

The fourth proportional to 80,719.66, 121,065.18 and 24,546.16 is: 36,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,719.66 : 121,065.18 = 24,546.16 : x
  2. Step 2: Convert to fraction form
    80,719.66/121,065.18 = 24,546.16/x
  3. Step 3: Cross multiply
    80,719.66x = 121,065.18 × 24,546.16
  4. Step 4: Simplify right side
    80,719.66x = 2,971,685,278.71
  5. Step 5: Solve for x
    x = 2,971,685,278.71/80,719.66
  6. Step 6: Final answer
    x = 36,814.89

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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.