Home / 91,916.91-137,887.11-32,758.56

Finding the Fourth Proportional to 91,916.91, 137,887.11 and 32,758.56

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Solution

The fourth proportional to 91,916.91, 137,887.11 and 32,758.56 is: 49,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,916.91 : 137,887.11 = 32,758.56 : x
  2. Step 2: Convert to fraction form
    91,916.91/137,887.11 = 32,758.56/x
  3. Step 3: Cross multiply
    91,916.91x = 137,887.11 × 32,758.56
  4. Step 4: Simplify right side
    91,916.91x = 4,516,983,166.16
  5. Step 5: Solve for x
    x = 4,516,983,166.16/91,916.91
  6. Step 6: Final answer
    x = 49,142.03

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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.