Home / 57,454.20-86,181.30-27,929.70

Finding the Fourth Proportional to 57,454.20, 86,181.30 and 27,929.70

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Solution

The fourth proportional to 57,454.20, 86,181.30 and 27,929.70 is: 41,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,454.20 : 86,181.30 = 27,929.70 : x
  2. Step 2: Convert to fraction form
    57,454.20/86,181.30 = 27,929.70/x
  3. Step 3: Cross multiply
    57,454.20x = 86,181.30 × 27,929.70
  4. Step 4: Simplify right side
    57,454.20x = 2,407,017,854.61
  5. Step 5: Solve for x
    x = 2,407,017,854.61/57,454.20
  6. Step 6: Final answer
    x = 41,894.55

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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.