Home / 91,130.11-136,648.35-41,183.15

Finding the Fourth Proportional to 91,130.11, 136,648.35 and 41,183.15

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Solution

The fourth proportional to 91,130.11, 136,648.35 and 41,183.15 is: 61,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,130.11 : 136,648.35 = 41,183.15 : x
  2. Step 2: Convert to fraction form
    91,130.11/136,648.35 = 41,183.15/x
  3. Step 3: Cross multiply
    91,130.11x = 136,648.35 × 41,183.15
  4. Step 4: Simplify right side
    91,130.11x = 5,627,608,812.06
  5. Step 5: Solve for x
    x = 5,627,608,812.06/91,130.11
  6. Step 6: Final answer
    x = 61,753.56

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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.