Home / 87,860.88-121,249.02-47,575.56

Finding the Fourth Proportional to 87,860.88, 121,249.02 and 47,575.56

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Solution

The fourth proportional to 87,860.88, 121,249.02 and 47,575.56 is: 65,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,860.88 : 121,249.02 = 47,575.56 : x
  2. Step 2: Convert to fraction form
    87,860.88/121,249.02 = 47,575.56/x
  3. Step 3: Cross multiply
    87,860.88x = 121,249.02 × 47,575.56
  4. Step 4: Simplify right side
    87,860.88x = 5,768,490,025.95
  5. Step 5: Solve for x
    x = 5,768,490,025.95/87,860.88
  6. Step 6: Final answer
    x = 65,654.82

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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.