Home / 48,645.27-72,968.11-13,585.23

Finding the Fourth Proportional to 48,645.27, 72,968.11 and 13,585.23

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Solution

The fourth proportional to 48,645.27, 72,968.11 and 13,585.23 is: 20,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,645.27 : 72,968.11 = 13,585.23 : x
  2. Step 2: Convert to fraction form
    48,645.27/72,968.11 = 13,585.23/x
  3. Step 3: Cross multiply
    48,645.27x = 72,968.11 × 13,585.23
  4. Step 4: Simplify right side
    48,645.27x = 991,288,523.05
  5. Step 5: Solve for x
    x = 991,288,523.05/48,645.27
  6. Step 6: Final answer
    x = 20,377.90

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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.