Home / 80,933.68-121,400.52-25,534

Finding the Fourth Proportional to 80,933.68, 121,400.52 and 25,534

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Solution

The fourth proportional to 80,933.68, 121,400.52 and 25,534 is: 38,301.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,933.68 : 121,400.52 = 25,534 : x
  2. Step 2: Convert to fraction form
    80,933.68/121,400.52 = 25,534/x
  3. Step 3: Cross multiply
    80,933.68x = 121,400.52 × 25,534
  4. Step 4: Simplify right side
    80,933.68x = 3,099,840,877.68
  5. Step 5: Solve for x
    x = 3,099,840,877.68/80,933.68
  6. Step 6: Final answer
    x = 38,301.00

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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.