Home / 101,788.85-140,447.54-58,767.59

Finding the Fourth Proportional to 101,788.85, 140,447.54 and 58,767.59

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Solution

The fourth proportional to 101,788.85, 140,447.54 and 58,767.59 is: 81,087.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,788.85 : 140,447.54 = 58,767.59 : x
  2. Step 2: Convert to fraction form
    101,788.85/140,447.54 = 58,767.59/x
  3. Step 3: Cross multiply
    101,788.85x = 140,447.54 × 58,767.59
  4. Step 4: Simplify right side
    101,788.85x = 8,253,763,945.27
  5. Step 5: Solve for x
    x = 8,253,763,945.27/101,788.85
  6. Step 6: Final answer
    x = 81,087.11

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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.