Home / 80,488.72-111,072.35-44,677.81

Finding the Fourth Proportional to 80,488.72, 111,072.35 and 44,677.81

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Solution

The fourth proportional to 80,488.72, 111,072.35 and 44,677.81 is: 61,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,488.72 : 111,072.35 = 44,677.81 : x
  2. Step 2: Convert to fraction form
    80,488.72/111,072.35 = 44,677.81/x
  3. Step 3: Cross multiply
    80,488.72x = 111,072.35 × 44,677.81
  4. Step 4: Simplify right side
    80,488.72x = 4,962,468,570.80
  5. Step 5: Solve for x
    x = 4,962,468,570.80/80,488.72
  6. Step 6: Final answer
    x = 61,654.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.