Home / 87,819.56-121,189.86-50,094.44

Finding the Fourth Proportional to 87,819.56, 121,189.86 and 50,094.44

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Solution

The fourth proportional to 87,819.56, 121,189.86 and 50,094.44 is: 69,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,819.56 : 121,189.86 = 50,094.44 : x
  2. Step 2: Convert to fraction form
    87,819.56/121,189.86 = 50,094.44/x
  3. Step 3: Cross multiply
    87,819.56x = 121,189.86 × 50,094.44
  4. Step 4: Simplify right side
    87,819.56x = 6,070,938,170.38
  5. Step 5: Solve for x
    x = 6,070,938,170.38/87,819.56
  6. Step 6: Final answer
    x = 69,129.68

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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.