Home / 55,123.56-76,067.46-29,972.84

Finding the Fourth Proportional to 55,123.56, 76,067.46 and 29,972.84

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Solution

The fourth proportional to 55,123.56, 76,067.46 and 29,972.84 is: 41,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,123.56 : 76,067.46 = 29,972.84 : x
  2. Step 2: Convert to fraction form
    55,123.56/76,067.46 = 29,972.84/x
  3. Step 3: Cross multiply
    55,123.56x = 76,067.46 × 29,972.84
  4. Step 4: Simplify right side
    55,123.56x = 2,279,957,807.79
  5. Step 5: Solve for x
    x = 2,279,957,807.79/55,123.56
  6. Step 6: Final answer
    x = 41,360.86

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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.