Home / 89,823.74-123,952.17-51,556.70

Finding the Fourth Proportional to 89,823.74, 123,952.17 and 51,556.70

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Solution

The fourth proportional to 89,823.74, 123,952.17 and 51,556.70 is: 71,145.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,823.74 : 123,952.17 = 51,556.70 : x
  2. Step 2: Convert to fraction form
    89,823.74/123,952.17 = 51,556.70/x
  3. Step 3: Cross multiply
    89,823.74x = 123,952.17 × 51,556.70
  4. Step 4: Simplify right side
    89,823.74x = 6,390,565,346.26
  5. Step 5: Solve for x
    x = 6,390,565,346.26/89,823.74
  6. Step 6: Final answer
    x = 71,145.62

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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.