Home / 82,885.20-114,419.84-48,882.16

Finding the Fourth Proportional to 82,885.20, 114,419.84 and 48,882.16

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Solution

The fourth proportional to 82,885.20, 114,419.84 and 48,882.16 is: 67,479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,885.20 : 114,419.84 = 48,882.16 : x
  2. Step 2: Convert to fraction form
    82,885.20/114,419.84 = 48,882.16/x
  3. Step 3: Cross multiply
    82,885.20x = 114,419.84 × 48,882.16
  4. Step 4: Simplify right side
    82,885.20x = 5,593,088,926.05
  5. Step 5: Solve for x
    x = 5,593,088,926.05/82,885.20
  6. Step 6: Final answer
    x = 67,479.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.