Home / 82,855.62-114,306.66-57,719.70

Finding the Fourth Proportional to 82,855.62, 114,306.66 and 57,719.70

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Solution

The fourth proportional to 82,855.62, 114,306.66 and 57,719.70 is: 79,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,855.62 : 114,306.66 = 57,719.70 : x
  2. Step 2: Convert to fraction form
    82,855.62/114,306.66 = 57,719.70/x
  3. Step 3: Cross multiply
    82,855.62x = 114,306.66 × 57,719.70
  4. Step 4: Simplify right side
    82,855.62x = 6,597,746,123.20
  5. Step 5: Solve for x
    x = 6,597,746,123.20/82,855.62
  6. Step 6: Final answer
    x = 79,629.43

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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.