Home / 52,044.12-78,057.30-18,757.56

Finding the Fourth Proportional to 52,044.12, 78,057.30 and 18,757.56

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Solution

The fourth proportional to 52,044.12, 78,057.30 and 18,757.56 is: 28,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,044.12 : 78,057.30 = 18,757.56 : x
  2. Step 2: Convert to fraction form
    52,044.12/78,057.30 = 18,757.56/x
  3. Step 3: Cross multiply
    52,044.12x = 78,057.30 × 18,757.56
  4. Step 4: Simplify right side
    52,044.12x = 1,464,164,488.19
  5. Step 5: Solve for x
    x = 1,464,164,488.19/52,044.12
  6. Step 6: Final answer
    x = 28,133.14

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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.