Home / 91,937.57-137,915.29-35,782.24

Finding the Fourth Proportional to 91,937.57, 137,915.29 and 35,782.24

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Solution

The fourth proportional to 91,937.57, 137,915.29 and 35,782.24 is: 53,676.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,937.57 : 137,915.29 = 35,782.24 : x
  2. Step 2: Convert to fraction form
    91,937.57/137,915.29 = 35,782.24/x
  3. Step 3: Cross multiply
    91,937.57x = 137,915.29 × 35,782.24
  4. Step 4: Simplify right side
    91,937.57x = 4,934,917,964.98
  5. Step 5: Solve for x
    x = 4,934,917,964.98/91,937.57
  6. Step 6: Final answer
    x = 53,676.84

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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.