Home / 51,132.10-76,692.78-13,696.04

Finding the Fourth Proportional to 51,132.10, 76,692.78 and 13,696.04

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Solution

The fourth proportional to 51,132.10, 76,692.78 and 13,696.04 is: 20,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,132.10 : 76,692.78 = 13,696.04 : x
  2. Step 2: Convert to fraction form
    51,132.10/76,692.78 = 13,696.04/x
  3. Step 3: Cross multiply
    51,132.10x = 76,692.78 × 13,696.04
  4. Step 4: Simplify right side
    51,132.10x = 1,050,386,999.13
  5. Step 5: Solve for x
    x = 1,050,386,999.13/51,132.10
  6. Step 6: Final answer
    x = 20,542.62

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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.