Home / 75,514.60-113,142.30-49,205.80

Finding the Fourth Proportional to 75,514.60, 113,142.30 and 49,205.80

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Solution

The fourth proportional to 75,514.60, 113,142.30 and 49,205.80 is: 73,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,514.60 : 113,142.30 = 49,205.80 : x
  2. Step 2: Convert to fraction form
    75,514.60/113,142.30 = 49,205.80/x
  3. Step 3: Cross multiply
    75,514.60x = 113,142.30 × 49,205.80
  4. Step 4: Simplify right side
    75,514.60x = 5,567,257,385.34
  5. Step 5: Solve for x
    x = 5,567,257,385.34/75,514.60
  6. Step 6: Final answer
    x = 73,724.25

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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.