Home / 97,811.87-146,712.97-57,308.33

Finding the Fourth Proportional to 97,811.87, 146,712.97 and 57,308.33

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Solution

The fourth proportional to 97,811.87, 146,712.97 and 57,308.33 is: 85,959.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,811.87 : 146,712.97 = 57,308.33 : x
  2. Step 2: Convert to fraction form
    97,811.87/146,712.97 = 57,308.33/x
  3. Step 3: Cross multiply
    97,811.87x = 146,712.97 × 57,308.33
  4. Step 4: Simplify right side
    97,811.87x = 8,407,874,279.93
  5. Step 5: Solve for x
    x = 8,407,874,279.93/97,811.87
  6. Step 6: Final answer
    x = 85,959.65

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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.