Home / 77,207.22-115,815.42-29,822.67

Finding the Fourth Proportional to 77,207.22, 115,815.42 and 29,822.67

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Solution

The fourth proportional to 77,207.22, 115,815.42 and 29,822.67 is: 44,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,207.22 : 115,815.42 = 29,822.67 : x
  2. Step 2: Convert to fraction form
    77,207.22/115,815.42 = 29,822.67/x
  3. Step 3: Cross multiply
    77,207.22x = 115,815.42 × 29,822.67
  4. Step 4: Simplify right side
    77,207.22x = 3,453,925,051.57
  5. Step 5: Solve for x
    x = 3,453,925,051.57/77,207.22
  6. Step 6: Final answer
    x = 44,735.78

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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.