Home / 87,818.56-121,188.48-50,093.44

Finding the Fourth Proportional to 87,818.56, 121,188.48 and 50,093.44

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Solution

The fourth proportional to 87,818.56, 121,188.48 and 50,093.44 is: 69,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,818.56 : 121,188.48 = 50,093.44 : x
  2. Step 2: Convert to fraction form
    87,818.56/121,188.48 = 50,093.44/x
  3. Step 3: Cross multiply
    87,818.56x = 121,188.48 × 50,093.44
  4. Step 4: Simplify right side
    87,818.56x = 6,070,747,851.57
  5. Step 5: Solve for x
    x = 6,070,747,851.57/87,818.56
  6. Step 6: Final answer
    x = 69,128.30

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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.