Home / 76,659.20-115,003.41-26,753.55

Finding the Fourth Proportional to 76,659.20, 115,003.41 and 26,753.55

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Solution

The fourth proportional to 76,659.20, 115,003.41 and 26,753.55 is: 40,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,659.20 : 115,003.41 = 26,753.55 : x
  2. Step 2: Convert to fraction form
    76,659.20/115,003.41 = 26,753.55/x
  3. Step 3: Cross multiply
    76,659.20x = 115,003.41 × 26,753.55
  4. Step 4: Simplify right side
    76,659.20x = 3,076,749,479.61
  5. Step 5: Solve for x
    x = 3,076,749,479.61/76,659.20
  6. Step 6: Final answer
    x = 40,135.42

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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.