Home / 89,362.17-123,319.26-51,636.42

Finding the Fourth Proportional to 89,362.17, 123,319.26 and 51,636.42

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Solution

The fourth proportional to 89,362.17, 123,319.26 and 51,636.42 is: 71,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,362.17 : 123,319.26 = 51,636.42 : x
  2. Step 2: Convert to fraction form
    89,362.17/123,319.26 = 51,636.42/x
  3. Step 3: Cross multiply
    89,362.17x = 123,319.26 × 51,636.42
  4. Step 4: Simplify right side
    89,362.17x = 6,367,765,103.45
  5. Step 5: Solve for x
    x = 6,367,765,103.45/89,362.17
  6. Step 6: Final answer
    x = 71,257.95

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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.