Home / 55,133.20-76,081.62-29,982.70

Finding the Fourth Proportional to 55,133.20, 76,081.62 and 29,982.70

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Solution

The fourth proportional to 55,133.20, 76,081.62 and 29,982.70 is: 41,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,133.20 : 76,081.62 = 29,982.70 : x
  2. Step 2: Convert to fraction form
    55,133.20/76,081.62 = 29,982.70/x
  3. Step 3: Cross multiply
    55,133.20x = 76,081.62 × 29,982.70
  4. Step 4: Simplify right side
    55,133.20x = 2,281,132,387.97
  5. Step 5: Solve for x
    x = 2,281,132,387.97/55,133.20
  6. Step 6: Final answer
    x = 41,374.93

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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.