Home / 76,819.23-115,187.22-34,650

Finding the Fourth Proportional to 76,819.23, 115,187.22 and 34,650

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Solution

The fourth proportional to 76,819.23, 115,187.22 and 34,650 is: 51,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,819.23 : 115,187.22 = 34,650 : x
  2. Step 2: Convert to fraction form
    76,819.23/115,187.22 = 34,650/x
  3. Step 3: Cross multiply
    76,819.23x = 115,187.22 × 34,650
  4. Step 4: Simplify right side
    76,819.23x = 3,991,237,173
  5. Step 5: Solve for x
    x = 3,991,237,173/76,819.23
  6. Step 6: Final answer
    x = 51,956.22

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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.