Home / 80,064.32-110,486.85-43,764.15

Finding the Fourth Proportional to 80,064.32, 110,486.85 and 43,764.15

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Solution

The fourth proportional to 80,064.32, 110,486.85 and 43,764.15 is: 60,393.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,064.32 : 110,486.85 = 43,764.15 : x
  2. Step 2: Convert to fraction form
    80,064.32/110,486.85 = 43,764.15/x
  3. Step 3: Cross multiply
    80,064.32x = 110,486.85 × 43,764.15
  4. Step 4: Simplify right side
    80,064.32x = 4,835,363,076.43
  5. Step 5: Solve for x
    x = 4,835,363,076.43/80,064.32
  6. Step 6: Final answer
    x = 60,393.48

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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.