Home / 77,207.30-115,616.55-50,768.90

Finding the Fourth Proportional to 77,207.30, 115,616.55 and 50,768.90

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Solution

The fourth proportional to 77,207.30, 115,616.55 and 50,768.90 is: 76,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,207.30 : 115,616.55 = 50,768.90 : x
  2. Step 2: Convert to fraction form
    77,207.30/115,616.55 = 50,768.90/x
  3. Step 3: Cross multiply
    77,207.30x = 115,616.55 × 50,768.90
  4. Step 4: Simplify right side
    77,207.30x = 5,869,725,065.30
  5. Step 5: Solve for x
    x = 5,869,725,065.30/77,207.30
  6. Step 6: Final answer
    x = 76,025.52

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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.