Home / 66,062.21-91,241.57-43,502.06

Finding the Fourth Proportional to 66,062.21, 91,241.57 and 43,502.06

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Solution

The fourth proportional to 66,062.21, 91,241.57 and 43,502.06 is: 60,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,062.21 : 91,241.57 = 43,502.06 : x
  2. Step 2: Convert to fraction form
    66,062.21/91,241.57 = 43,502.06/x
  3. Step 3: Cross multiply
    66,062.21x = 91,241.57 × 43,502.06
  4. Step 4: Simplify right side
    66,062.21x = 3,969,196,035.12
  5. Step 5: Solve for x
    x = 3,969,196,035.12/66,062.21
  6. Step 6: Final answer
    x = 60,082.70

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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.