Home / 89,920.30-134,958.20-34,555.18

Finding the Fourth Proportional to 89,920.30, 134,958.20 and 34,555.18

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Solution

The fourth proportional to 89,920.30, 134,958.20 and 34,555.18 is: 51,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,920.30 : 134,958.20 = 34,555.18 : x
  2. Step 2: Convert to fraction form
    89,920.30/134,958.20 = 34,555.18/x
  3. Step 3: Cross multiply
    89,920.30x = 134,958.20 × 34,555.18
  4. Step 4: Simplify right side
    89,920.30x = 4,663,504,893.48
  5. Step 5: Solve for x
    x = 4,663,504,893.48/89,920.30
  6. Step 6: Final answer
    x = 51,862.65

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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.