Home / 52,488.28-78,709.60-15,040.09

Finding the Fourth Proportional to 52,488.28, 78,709.60 and 15,040.09

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Solution

The fourth proportional to 52,488.28, 78,709.60 and 15,040.09 is: 22,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488.28 : 78,709.60 = 15,040.09 : x
  2. Step 2: Convert to fraction form
    52,488.28/78,709.60 = 15,040.09/x
  3. Step 3: Cross multiply
    52,488.28x = 78,709.60 × 15,040.09
  4. Step 4: Simplify right side
    52,488.28x = 1,183,799,467.86
  5. Step 5: Solve for x
    x = 1,183,799,467.86/52,488.28
  6. Step 6: Final answer
    x = 22,553.60

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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.