Home / 83,777.72-125,639.92-27,607.35

Finding the Fourth Proportional to 83,777.72, 125,639.92 and 27,607.35

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Solution

The fourth proportional to 83,777.72, 125,639.92 and 27,607.35 is: 41,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,777.72 : 125,639.92 = 27,607.35 : x
  2. Step 2: Convert to fraction form
    83,777.72/125,639.92 = 27,607.35/x
  3. Step 3: Cross multiply
    83,777.72x = 125,639.92 × 27,607.35
  4. Step 4: Simplify right side
    83,777.72x = 3,468,585,107.38
  5. Step 5: Solve for x
    x = 3,468,585,107.38/83,777.72
  6. Step 6: Final answer
    x = 41,402.24

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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.