Home / 52,949.13-79,431.09-15,511.92

Finding the Fourth Proportional to 52,949.13, 79,431.09 and 15,511.92

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Solution

The fourth proportional to 52,949.13, 79,431.09 and 15,511.92 is: 23,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,949.13 : 79,431.09 = 15,511.92 : x
  2. Step 2: Convert to fraction form
    52,949.13/79,431.09 = 15,511.92/x
  3. Step 3: Cross multiply
    52,949.13x = 79,431.09 × 15,511.92
  4. Step 4: Simplify right side
    52,949.13x = 1,232,128,713.59
  5. Step 5: Solve for x
    x = 1,232,128,713.59/52,949.13
  6. Step 6: Final answer
    x = 23,270.05

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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.