Home / 55,073.46-76,000.42-29,922.78

Finding the Fourth Proportional to 55,073.46, 76,000.42 and 29,922.78

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Solution

The fourth proportional to 55,073.46, 76,000.42 and 29,922.78 is: 41,292.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,073.46 : 76,000.42 = 29,922.78 : x
  2. Step 2: Convert to fraction form
    55,073.46/76,000.42 = 29,922.78/x
  3. Step 3: Cross multiply
    55,073.46x = 76,000.42 × 29,922.78
  4. Step 4: Simplify right side
    55,073.46x = 2,274,143,847.57
  5. Step 5: Solve for x
    x = 2,274,143,847.57/55,073.46
  6. Step 6: Final answer
    x = 41,292.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.