Home / 48,104.92-72,176.53-18,514.81

Finding the Fourth Proportional to 48,104.92, 72,176.53 and 18,514.81

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Solution

The fourth proportional to 48,104.92, 72,176.53 and 18,514.81 is: 27,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,104.92 : 72,176.53 = 18,514.81 : x
  2. Step 2: Convert to fraction form
    48,104.92/72,176.53 = 18,514.81/x
  3. Step 3: Cross multiply
    48,104.92x = 72,176.53 × 18,514.81
  4. Step 4: Simplify right side
    48,104.92x = 1,336,334,739.41
  5. Step 5: Solve for x
    x = 1,336,334,739.41/48,104.92
  6. Step 6: Final answer
    x = 27,779.59

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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.