Home / 48,909.97-73,379.58-28,118.89

Finding the Fourth Proportional to 48,909.97, 73,379.58 and 28,118.89

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Solution

The fourth proportional to 48,909.97, 73,379.58 and 28,118.89 is: 42,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,909.97 : 73,379.58 = 28,118.89 : x
  2. Step 2: Convert to fraction form
    48,909.97/73,379.58 = 28,118.89/x
  3. Step 3: Cross multiply
    48,909.97x = 73,379.58 × 28,118.89
  4. Step 4: Simplify right side
    48,909.97x = 2,063,352,338.27
  5. Step 5: Solve for x
    x = 2,063,352,338.27/48,909.97
  6. Step 6: Final answer
    x = 42,186.74

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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.