Home / 89,618.88-134,428.32-27,289.38

Finding the Fourth Proportional to 89,618.88, 134,428.32 and 27,289.38

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Solution

The fourth proportional to 89,618.88, 134,428.32 and 27,289.38 is: 40,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,618.88 : 134,428.32 = 27,289.38 : x
  2. Step 2: Convert to fraction form
    89,618.88/134,428.32 = 27,289.38/x
  3. Step 3: Cross multiply
    89,618.88x = 134,428.32 × 27,289.38
  4. Step 4: Simplify right side
    89,618.88x = 3,668,465,507.24
  5. Step 5: Solve for x
    x = 3,668,465,507.24/89,618.88
  6. Step 6: Final answer
    x = 40,934.07

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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.