Home / 91,885.27-137,833.09-32,720.94

Finding the Fourth Proportional to 91,885.27, 137,833.09 and 32,720.94

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Solution

The fourth proportional to 91,885.27, 137,833.09 and 32,720.94 is: 49,083.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,885.27 : 137,833.09 = 32,720.94 : x
  2. Step 2: Convert to fraction form
    91,885.27/137,833.09 = 32,720.94/x
  3. Step 3: Cross multiply
    91,885.27x = 137,833.09 × 32,720.94
  4. Step 4: Simplify right side
    91,885.27x = 4,510,028,702.98
  5. Step 5: Solve for x
    x = 4,510,028,702.98/91,885.27
  6. Step 6: Final answer
    x = 49,083.26

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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.