Home / 82,882.87-124,325.18-66,348.01

Finding the Fourth Proportional to 82,882.87, 124,325.18 and 66,348.01

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Solution

The fourth proportional to 82,882.87, 124,325.18 and 66,348.01 is: 99,522.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,882.87 : 124,325.18 = 66,348.01 : x
  2. Step 2: Convert to fraction form
    82,882.87/124,325.18 = 66,348.01/x
  3. Step 3: Cross multiply
    82,882.87x = 124,325.18 × 66,348.01
  4. Step 4: Simplify right side
    82,882.87x = 8,248,728,397.60
  5. Step 5: Solve for x
    x = 8,248,728,397.60/82,882.87
  6. Step 6: Final answer
    x = 99,522.71

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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.