Home / 99,273.20-148,909.80-32,723.60

Finding the Fourth Proportional to 99,273.20, 148,909.80 and 32,723.60

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Solution

The fourth proportional to 99,273.20, 148,909.80 and 32,723.60 is: 49,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,273.20 : 148,909.80 = 32,723.60 : x
  2. Step 2: Convert to fraction form
    99,273.20/148,909.80 = 32,723.60/x
  3. Step 3: Cross multiply
    99,273.20x = 148,909.80 × 32,723.60
  4. Step 4: Simplify right side
    99,273.20x = 4,872,864,731.28
  5. Step 5: Solve for x
    x = 4,872,864,731.28/99,273.20
  6. Step 6: Final answer
    x = 49,085.40

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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.