Home / 72,404.04-108,620.56-25,020.86

Finding the Fourth Proportional to 72,404.04, 108,620.56 and 25,020.86

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Solution

The fourth proportional to 72,404.04, 108,620.56 and 25,020.86 is: 37,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,404.04 : 108,620.56 = 25,020.86 : x
  2. Step 2: Convert to fraction form
    72,404.04/108,620.56 = 25,020.86/x
  3. Step 3: Cross multiply
    72,404.04x = 108,620.56 × 25,020.86
  4. Step 4: Simplify right side
    72,404.04x = 2,717,779,824.88
  5. Step 5: Solve for x
    x = 2,717,779,824.88/72,404.04
  6. Step 6: Final answer
    x = 37,536.30

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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.