Home / 76,795.83-115,114.68-29,399.76

Finding the Fourth Proportional to 76,795.83, 115,114.68 and 29,399.76

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Solution

The fourth proportional to 76,795.83, 115,114.68 and 29,399.76 is: 44,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,795.83 : 115,114.68 = 29,399.76 : x
  2. Step 2: Convert to fraction form
    76,795.83/115,114.68 = 29,399.76/x
  3. Step 3: Cross multiply
    76,795.83x = 115,114.68 × 29,399.76
  4. Step 4: Simplify right side
    76,795.83x = 3,384,343,964.48
  5. Step 5: Solve for x
    x = 3,384,343,964.48/76,795.83
  6. Step 6: Final answer
    x = 44,069.37

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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.