Home / 72,514.28-108,767.03-43,119.18

Finding the Fourth Proportional to 72,514.28, 108,767.03 and 43,119.18

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Solution

The fourth proportional to 72,514.28, 108,767.03 and 43,119.18 is: 64,676.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,514.28 : 108,767.03 = 43,119.18 : x
  2. Step 2: Convert to fraction form
    72,514.28/108,767.03 = 43,119.18/x
  3. Step 3: Cross multiply
    72,514.28x = 108,767.03 × 43,119.18
  4. Step 4: Simplify right side
    72,514.28x = 4,689,944,929.04
  5. Step 5: Solve for x
    x = 4,689,944,929.04/72,514.28
  6. Step 6: Final answer
    x = 64,676.15

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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.