Home / 83,678.55-125,521.85-27,517.42

Finding the Fourth Proportional to 83,678.55, 125,521.85 and 27,517.42

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Solution

The fourth proportional to 83,678.55, 125,521.85 and 27,517.42 is: 41,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,678.55 : 125,521.85 = 27,517.42 : x
  2. Step 2: Convert to fraction form
    83,678.55/125,521.85 = 27,517.42/x
  3. Step 3: Cross multiply
    83,678.55x = 125,521.85 × 27,517.42
  4. Step 4: Simplify right side
    83,678.55x = 3,454,037,465.63
  5. Step 5: Solve for x
    x = 3,454,037,465.63/83,678.55
  6. Step 6: Final answer
    x = 41,277.45

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1.5x scale

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.