Home / 80,884.04-121,243.42-28,250.24

Finding the Fourth Proportional to 80,884.04, 121,243.42 and 28,250.24

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Solution

The fourth proportional to 80,884.04, 121,243.42 and 28,250.24 is: 42,346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,884.04 : 121,243.42 = 28,250.24 : x
  2. Step 2: Convert to fraction form
    80,884.04/121,243.42 = 28,250.24/x
  3. Step 3: Cross multiply
    80,884.04x = 121,243.42 × 28,250.24
  4. Step 4: Simplify right side
    80,884.04x = 3,425,155,713.42
  5. Step 5: Solve for x
    x = 3,425,155,713.42/80,884.04
  6. Step 6: Final answer
    x = 42,346.50

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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.