Home / 80,042.32-120,070.30-23,878.80

Finding the Fourth Proportional to 80,042.32, 120,070.30 and 23,878.80

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Solution

The fourth proportional to 80,042.32, 120,070.30 and 23,878.80 is: 35,820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,042.32 : 120,070.30 = 23,878.80 : x
  2. Step 2: Convert to fraction form
    80,042.32/120,070.30 = 23,878.80/x
  3. Step 3: Cross multiply
    80,042.32x = 120,070.30 × 23,878.80
  4. Step 4: Simplify right side
    80,042.32x = 2,867,134,679.64
  5. Step 5: Solve for x
    x = 2,867,134,679.64/80,042.32
  6. Step 6: Final answer
    x = 35,820.23

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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.