Home / 57,770.20-86,720.10-44,680.60

Finding the Fourth Proportional to 57,770.20, 86,720.10 and 44,680.60

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Solution

The fourth proportional to 57,770.20, 86,720.10 and 44,680.60 is: 67,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,770.20 : 86,720.10 = 44,680.60 : x
  2. Step 2: Convert to fraction form
    57,770.20/86,720.10 = 44,680.60/x
  3. Step 3: Cross multiply
    57,770.20x = 86,720.10 × 44,680.60
  4. Step 4: Simplify right side
    57,770.20x = 3,874,706,100.06
  5. Step 5: Solve for x
    x = 3,874,706,100.06/57,770.20
  6. Step 6: Final answer
    x = 67,071.02

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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.