Home / 83,601.92-125,402.04-21,271.76

Finding the Fourth Proportional to 83,601.92, 125,402.04 and 21,271.76

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Solution

The fourth proportional to 83,601.92, 125,402.04 and 21,271.76 is: 31,907.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,601.92 : 125,402.04 = 21,271.76 : x
  2. Step 2: Convert to fraction form
    83,601.92/125,402.04 = 21,271.76/x
  3. Step 3: Cross multiply
    83,601.92x = 125,402.04 × 21,271.76
  4. Step 4: Simplify right side
    83,601.92x = 2,667,522,098.39
  5. Step 5: Solve for x
    x = 2,667,522,098.39/83,601.92
  6. Step 6: Final answer
    x = 31,907.43

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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.