Home / 80,070.28-120,122.43-23,914.78

Finding the Fourth Proportional to 80,070.28, 120,122.43 and 23,914.78

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Solution

The fourth proportional to 80,070.28, 120,122.43 and 23,914.78 is: 35,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,070.28 : 120,122.43 = 23,914.78 : x
  2. Step 2: Convert to fraction form
    80,070.28/120,122.43 = 23,914.78/x
  3. Step 3: Cross multiply
    80,070.28x = 120,122.43 × 23,914.78
  4. Step 4: Simplify right side
    80,070.28x = 2,872,701,486.52
  5. Step 5: Solve for x
    x = 2,872,701,486.52/80,070.28
  6. Step 6: Final answer
    x = 35,877.25

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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.