Home / 89,635.25-134,456.60-26,455.39

Finding the Fourth Proportional to 89,635.25, 134,456.60 and 26,455.39

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Solution

The fourth proportional to 89,635.25, 134,456.60 and 26,455.39 is: 39,684.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,635.25 : 134,456.60 = 26,455.39 : x
  2. Step 2: Convert to fraction form
    89,635.25/134,456.60 = 26,455.39/x
  3. Step 3: Cross multiply
    89,635.25x = 134,456.60 × 26,455.39
  4. Step 4: Simplify right side
    89,635.25x = 3,557,101,521.07
  5. Step 5: Solve for x
    x = 3,557,101,521.07/89,635.25
  6. Step 6: Final answer
    x = 39,684.18

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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.