Home / 97,850.20-135,074.62-66,062.16

Finding the Fourth Proportional to 97,850.20, 135,074.62 and 66,062.16

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Solution

The fourth proportional to 97,850.20, 135,074.62 and 66,062.16 is: 91,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,850.20 : 135,074.62 = 66,062.16 : x
  2. Step 2: Convert to fraction form
    97,850.20/135,074.62 = 66,062.16/x
  3. Step 3: Cross multiply
    97,850.20x = 135,074.62 × 66,062.16
  4. Step 4: Simplify right side
    97,850.20x = 8,923,321,158.38
  5. Step 5: Solve for x
    x = 8,923,321,158.38/97,850.20
  6. Step 6: Final answer
    x = 91,193.69

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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.