Home / 89,063.25-122,908.11-60,768.33

Finding the Fourth Proportional to 89,063.25, 122,908.11 and 60,768.33

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Solution

The fourth proportional to 89,063.25, 122,908.11 and 60,768.33 is: 83,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,063.25 : 122,908.11 = 60,768.33 : x
  2. Step 2: Convert to fraction form
    89,063.25/122,908.11 = 60,768.33/x
  3. Step 3: Cross multiply
    89,063.25x = 122,908.11 × 60,768.33
  4. Step 4: Simplify right side
    89,063.25x = 7,468,920,588.16
  5. Step 5: Solve for x
    x = 7,468,920,588.16/89,063.25
  6. Step 6: Final answer
    x = 83,860.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.