Home / 72,335.80-108,536.10-32,872.60

Finding the Fourth Proportional to 72,335.80, 108,536.10 and 32,872.60

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Solution

The fourth proportional to 72,335.80, 108,536.10 and 32,872.60 is: 49,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,335.80 : 108,536.10 = 32,872.60 : x
  2. Step 2: Convert to fraction form
    72,335.80/108,536.10 = 32,872.60/x
  3. Step 3: Cross multiply
    72,335.80x = 108,536.10 × 32,872.60
  4. Step 4: Simplify right side
    72,335.80x = 3,567,863,800.86
  5. Step 5: Solve for x
    x = 3,567,863,800.86/72,335.80
  6. Step 6: Final answer
    x = 49,323.62

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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.