Home / 86,093.76-129,144.24-26,930.52

Finding the Fourth Proportional to 86,093.76, 129,144.24 and 26,930.52

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Solution

The fourth proportional to 86,093.76, 129,144.24 and 26,930.52 is: 40,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,093.76 : 129,144.24 = 26,930.52 : x
  2. Step 2: Convert to fraction form
    86,093.76/129,144.24 = 26,930.52/x
  3. Step 3: Cross multiply
    86,093.76x = 129,144.24 × 26,930.52
  4. Step 4: Simplify right side
    86,093.76x = 3,477,921,538.20
  5. Step 5: Solve for x
    x = 3,477,921,538.20/86,093.76
  6. Step 6: Final answer
    x = 40,396.91

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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.