Home / 52,084.40-78,103.56-15,151.28

Finding the Fourth Proportional to 52,084.40, 78,103.56 and 15,151.28

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Solution

The fourth proportional to 52,084.40, 78,103.56 and 15,151.28 is: 22,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,084.40 : 78,103.56 = 15,151.28 : x
  2. Step 2: Convert to fraction form
    52,084.40/78,103.56 = 15,151.28/x
  3. Step 3: Cross multiply
    52,084.40x = 78,103.56 × 15,151.28
  4. Step 4: Simplify right side
    52,084.40x = 1,183,368,906.56
  5. Step 5: Solve for x
    x = 1,183,368,906.56/52,084.40
  6. Step 6: Final answer
    x = 22,720.22

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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.