Home / 80,673.40-121,010.10-25,262.20

Finding the Fourth Proportional to 80,673.40, 121,010.10 and 25,262.20

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Solution

The fourth proportional to 80,673.40, 121,010.10 and 25,262.20 is: 37,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,673.40 : 121,010.10 = 25,262.20 : x
  2. Step 2: Convert to fraction form
    80,673.40/121,010.10 = 25,262.20/x
  3. Step 3: Cross multiply
    80,673.40x = 121,010.10 × 25,262.20
  4. Step 4: Simplify right side
    80,673.40x = 3,056,981,348.22
  5. Step 5: Solve for x
    x = 3,056,981,348.22/80,673.40
  6. Step 6: Final answer
    x = 37,893.30

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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.