Home / 52,146.38-78,221.99-15,210.38

Finding the Fourth Proportional to 52,146.38, 78,221.99 and 15,210.38

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Solution

The fourth proportional to 52,146.38, 78,221.99 and 15,210.38 is: 22,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,146.38 : 78,221.99 = 15,210.38 : x
  2. Step 2: Convert to fraction form
    52,146.38/78,221.99 = 15,210.38/x
  3. Step 3: Cross multiply
    52,146.38x = 78,221.99 × 15,210.38
  4. Step 4: Simplify right side
    52,146.38x = 1,189,785,839.17
  5. Step 5: Solve for x
    x = 1,189,785,839.17/52,146.38
  6. Step 6: Final answer
    x = 22,816.27

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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.