Home / 78,082.03-107,751.22-43,627.04

Finding the Fourth Proportional to 78,082.03, 107,751.22 and 43,627.04

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Solution

The fourth proportional to 78,082.03, 107,751.22 and 43,627.04 is: 60,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,082.03 : 107,751.22 = 43,627.04 : x
  2. Step 2: Convert to fraction form
    78,082.03/107,751.22 = 43,627.04/x
  3. Step 3: Cross multiply
    78,082.03x = 107,751.22 × 43,627.04
  4. Step 4: Simplify right side
    78,082.03x = 4,700,866,784.99
  5. Step 5: Solve for x
    x = 4,700,866,784.99/78,082.03
  6. Step 6: Final answer
    x = 60,204.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.