Home / 52,091.63-78,179.33-27,139.13

Finding the Fourth Proportional to 52,091.63, 78,179.33 and 27,139.13

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Solution

The fourth proportional to 52,091.63, 78,179.33 and 27,139.13 is: 40,730.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,091.63 : 78,179.33 = 27,139.13 : x
  2. Step 2: Convert to fraction form
    52,091.63/78,179.33 = 27,139.13/x
  3. Step 3: Cross multiply
    52,091.63x = 78,179.33 × 27,139.13
  4. Step 4: Simplify right side
    52,091.63x = 2,121,718,677.13
  5. Step 5: Solve for x
    x = 2,121,718,677.13/52,091.63
  6. Step 6: Final answer
    x = 40,730.51

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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.