Home / 41,148.80-61,723.20-13,449.60

Finding the Fourth Proportional to 41,148.80, 61,723.20 and 13,449.60

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Solution

The fourth proportional to 41,148.80, 61,723.20 and 13,449.60 is: 20,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,148.80 : 61,723.20 = 13,449.60 : x
  2. Step 2: Convert to fraction form
    41,148.80/61,723.20 = 13,449.60/x
  3. Step 3: Cross multiply
    41,148.80x = 61,723.20 × 13,449.60
  4. Step 4: Simplify right side
    41,148.80x = 830,152,350.72
  5. Step 5: Solve for x
    x = 830,152,350.72/41,148.80
  6. Step 6: Final answer
    x = 20,174.40

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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.