Home / 77,127.93-115,645.14-50,441.69

Finding the Fourth Proportional to 77,127.93, 115,645.14 and 50,441.69

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Solution

The fourth proportional to 77,127.93, 115,645.14 and 50,441.69 is: 75,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,127.93 : 115,645.14 = 50,441.69 : x
  2. Step 2: Convert to fraction form
    77,127.93/115,645.14 = 50,441.69/x
  3. Step 3: Cross multiply
    77,127.93x = 115,645.14 × 50,441.69
  4. Step 4: Simplify right side
    77,127.93x = 5,833,335,723.66
  5. Step 5: Solve for x
    x = 5,833,335,723.66/77,127.93
  6. Step 6: Final answer
    x = 75,631.95

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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.