Home / 124,366.24-171,653.10-79,035.38

Finding the Fourth Proportional to 124,366.24, 171,653.10 and 79,035.38

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Solution

The fourth proportional to 124,366.24, 171,653.10 and 79,035.38 is: 109,086.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,366.24 : 171,653.10 = 79,035.38 : x
  2. Step 2: Convert to fraction form
    124,366.24/171,653.10 = 79,035.38/x
  3. Step 3: Cross multiply
    124,366.24x = 171,653.10 × 79,035.38
  4. Step 4: Simplify right side
    124,366.24x = 13,566,667,986.68
  5. Step 5: Solve for x
    x = 13,566,667,986.68/124,366.24
  6. Step 6: Final answer
    x = 109,086.42

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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.