Home / 83,830.18-125,760.81-27,674.20

Finding the Fourth Proportional to 83,830.18, 125,760.81 and 27,674.20

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Solution

The fourth proportional to 83,830.18, 125,760.81 and 27,674.20 is: 41,516.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,830.18 : 125,760.81 = 27,674.20 : x
  2. Step 2: Convert to fraction form
    83,830.18/125,760.81 = 27,674.20/x
  3. Step 3: Cross multiply
    83,830.18x = 125,760.81 × 27,674.20
  4. Step 4: Simplify right side
    83,830.18x = 3,480,329,808.10
  5. Step 5: Solve for x
    x = 3,480,329,808.10/83,830.18
  6. Step 6: Final answer
    x = 41,516.43

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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.