Home / 80,960.35-111,720.01-44,659.61

Finding the Fourth Proportional to 80,960.35, 111,720.01 and 44,659.61

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Solution

The fourth proportional to 80,960.35, 111,720.01 and 44,659.61 is: 61,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,960.35 : 111,720.01 = 44,659.61 : x
  2. Step 2: Convert to fraction form
    80,960.35/111,720.01 = 44,659.61/x
  3. Step 3: Cross multiply
    80,960.35x = 111,720.01 × 44,659.61
  4. Step 4: Simplify right side
    80,960.35x = 4,989,372,075.80
  5. Step 5: Solve for x
    x = 4,989,372,075.80/80,960.35
  6. Step 6: Final answer
    x = 61,627.35

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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.