Home / 91,899.87-137,868.25-41,966.56

Finding the Fourth Proportional to 91,899.87, 137,868.25 and 41,966.56

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Solution

The fourth proportional to 91,899.87, 137,868.25 and 41,966.56 is: 62,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,899.87 : 137,868.25 = 41,966.56 : x
  2. Step 2: Convert to fraction form
    91,899.87/137,868.25 = 41,966.56/x
  3. Step 3: Cross multiply
    91,899.87x = 137,868.25 × 41,966.56
  4. Step 4: Simplify right side
    91,899.87x = 5,785,855,674.35
  5. Step 5: Solve for x
    x = 5,785,855,674.35/91,899.87
  6. Step 6: Final answer
    x = 62,958.26

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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.