Home / 89,834.88-134,764.62-30,654.66

Finding the Fourth Proportional to 89,834.88, 134,764.62 and 30,654.66

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Solution

The fourth proportional to 89,834.88, 134,764.62 and 30,654.66 is: 45,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,834.88 : 134,764.62 = 30,654.66 : x
  2. Step 2: Convert to fraction form
    89,834.88/134,764.62 = 30,654.66/x
  3. Step 3: Cross multiply
    89,834.88x = 134,764.62 × 30,654.66
  4. Step 4: Simplify right side
    89,834.88x = 4,131,163,606.13
  5. Step 5: Solve for x
    x = 4,131,163,606.13/89,834.88
  6. Step 6: Final answer
    x = 45,986.19

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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.