Home / 72,514.08-108,814.92-25,763.40

Finding the Fourth Proportional to 72,514.08, 108,814.92 and 25,763.40

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Solution

The fourth proportional to 72,514.08, 108,814.92 and 25,763.40 is: 38,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,514.08 : 108,814.92 = 25,763.40 : x
  2. Step 2: Convert to fraction form
    72,514.08/108,814.92 = 25,763.40/x
  3. Step 3: Cross multiply
    72,514.08x = 108,814.92 × 25,763.40
  4. Step 4: Simplify right side
    72,514.08x = 2,803,442,309.93
  5. Step 5: Solve for x
    x = 2,803,442,309.93/72,514.08
  6. Step 6: Final answer
    x = 38,660.66

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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.