Home / 89,418.26-134,190.41-42,035.51

Finding the Fourth Proportional to 89,418.26, 134,190.41 and 42,035.51

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Solution

The fourth proportional to 89,418.26, 134,190.41 and 42,035.51 is: 63,082.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,418.26 : 134,190.41 = 42,035.51 : x
  2. Step 2: Convert to fraction form
    89,418.26/134,190.41 = 42,035.51/x
  3. Step 3: Cross multiply
    89,418.26x = 134,190.41 × 42,035.51
  4. Step 4: Simplify right side
    89,418.26x = 5,640,761,440.33
  5. Step 5: Solve for x
    x = 5,640,761,440.33/89,418.26
  6. Step 6: Final answer
    x = 63,082.88

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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.