Home / 66,401.20-99,601.38-26,957.92

Finding the Fourth Proportional to 66,401.20, 99,601.38 and 26,957.92

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Solution

The fourth proportional to 66,401.20, 99,601.38 and 26,957.92 is: 40,436.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,401.20 : 99,601.38 = 26,957.92 : x
  2. Step 2: Convert to fraction form
    66,401.20/99,601.38 = 26,957.92/x
  3. Step 3: Cross multiply
    66,401.20x = 99,601.38 × 26,957.92
  4. Step 4: Simplify right side
    66,401.20x = 2,685,046,033.93
  5. Step 5: Solve for x
    x = 2,685,046,033.93/66,401.20
  6. Step 6: Final answer
    x = 40,436.71

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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.