Home / 91,640.85-137,418.14-35,507.25

Finding the Fourth Proportional to 91,640.85, 137,418.14 and 35,507.25

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Solution

The fourth proportional to 91,640.85, 137,418.14 and 35,507.25 is: 53,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,640.85 : 137,418.14 = 35,507.25 : x
  2. Step 2: Convert to fraction form
    91,640.85/137,418.14 = 35,507.25/x
  3. Step 3: Cross multiply
    91,640.85x = 137,418.14 × 35,507.25
  4. Step 4: Simplify right side
    91,640.85x = 4,879,340,073.98
  5. Step 5: Solve for x
    x = 4,879,340,073.98/91,640.85
  6. Step 6: Final answer
    x = 53,244.16

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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.