Home / 91,512.26-137,307.84-35,391.86

Finding the Fourth Proportional to 91,512.26, 137,307.84 and 35,391.86

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Solution

The fourth proportional to 91,512.26, 137,307.84 and 35,391.86 is: 53,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,512.26 : 137,307.84 = 35,391.86 : x
  2. Step 2: Convert to fraction form
    91,512.26/137,307.84 = 35,391.86/x
  3. Step 3: Cross multiply
    91,512.26x = 137,307.84 × 35,391.86
  4. Step 4: Simplify right side
    91,512.26x = 4,859,579,850.18
  5. Step 5: Solve for x
    x = 4,859,579,850.18/91,512.26
  6. Step 6: Final answer
    x = 53,103.05

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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.