Home / 77,982.26-107,489.13-60,956.42

Finding the Fourth Proportional to 77,982.26, 107,489.13 and 60,956.42

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Solution

The fourth proportional to 77,982.26, 107,489.13 and 60,956.42 is: 84,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,982.26 : 107,489.13 = 60,956.42 : x
  2. Step 2: Convert to fraction form
    77,982.26/107,489.13 = 60,956.42/x
  3. Step 3: Cross multiply
    77,982.26x = 107,489.13 × 60,956.42
  4. Step 4: Simplify right side
    77,982.26x = 6,552,152,553.71
  5. Step 5: Solve for x
    x = 6,552,152,553.71/77,982.26
  6. Step 6: Final answer
    x = 84,021.07

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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.