Home / 88,727.90-122,439.87-50,486.66

Finding the Fourth Proportional to 88,727.90, 122,439.87 and 50,486.66

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Solution

The fourth proportional to 88,727.90, 122,439.87 and 50,486.66 is: 69,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,727.90 : 122,439.87 = 50,486.66 : x
  2. Step 2: Convert to fraction form
    88,727.90/122,439.87 = 50,486.66/x
  3. Step 3: Cross multiply
    88,727.90x = 122,439.87 × 50,486.66
  4. Step 4: Simplify right side
    88,727.90x = 6,181,579,474.93
  5. Step 5: Solve for x
    x = 6,181,579,474.93/88,727.90
  6. Step 6: Final answer
    x = 69,668.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.