Home / 57,999.20-87,063.60-54,192.20

Finding the Fourth Proportional to 57,999.20, 87,063.60 and 54,192.20

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Solution

The fourth proportional to 57,999.20, 87,063.60 and 54,192.20 is: 81,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999.20 : 87,063.60 = 54,192.20 : x
  2. Step 2: Convert to fraction form
    57,999.20/87,063.60 = 54,192.20/x
  3. Step 3: Cross multiply
    57,999.20x = 87,063.60 × 54,192.20
  4. Step 4: Simplify right side
    57,999.20x = 4,718,168,023.92
  5. Step 5: Solve for x
    x = 4,718,168,023.92/57,999.20
  6. Step 6: Final answer
    x = 81,348.85

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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.