Home / 89,569.82-134,244-45,209.22

Finding the Fourth Proportional to 89,569.82, 134,244 and 45,209.22

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Solution

The fourth proportional to 89,569.82, 134,244 and 45,209.22 is: 67,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,569.82 : 134,244 = 45,209.22 : x
  2. Step 2: Convert to fraction form
    89,569.82/134,244 = 45,209.22/x
  3. Step 3: Cross multiply
    89,569.82x = 134,244 × 45,209.22
  4. Step 4: Simplify right side
    89,569.82x = 6,069,066,529.68
  5. Step 5: Solve for x
    x = 6,069,066,529.68/89,569.82
  6. Step 6: Final answer
    x = 67,757.94

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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.