Home / 72,575.10-108,829.85-25,829.19

Finding the Fourth Proportional to 72,575.10, 108,829.85 and 25,829.19

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Solution

The fourth proportional to 72,575.10, 108,829.85 and 25,829.19 is: 38,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,575.10 : 108,829.85 = 25,829.19 : x
  2. Step 2: Convert to fraction form
    72,575.10/108,829.85 = 25,829.19/x
  3. Step 3: Cross multiply
    72,575.10x = 108,829.85 × 25,829.19
  4. Step 4: Simplify right side
    72,575.10x = 2,810,986,744.18
  5. Step 5: Solve for x
    x = 2,810,986,744.18/72,575.10
  6. Step 6: Final answer
    x = 38,732.11

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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.