Home / 76,711.60-115,067.40-24,137.20

Finding the Fourth Proportional to 76,711.60, 115,067.40 and 24,137.20

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Solution

The fourth proportional to 76,711.60, 115,067.40 and 24,137.20 is: 36,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,711.60 : 115,067.40 = 24,137.20 : x
  2. Step 2: Convert to fraction form
    76,711.60/115,067.40 = 24,137.20/x
  3. Step 3: Cross multiply
    76,711.60x = 115,067.40 × 24,137.20
  4. Step 4: Simplify right side
    76,711.60x = 2,777,404,847.28
  5. Step 5: Solve for x
    x = 2,777,404,847.28/76,711.60
  6. Step 6: Final answer
    x = 36,205.80

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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.