Home / 77,381.93-116,083.22-30,623.87

Finding the Fourth Proportional to 77,381.93, 116,083.22 and 30,623.87

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Solution

The fourth proportional to 77,381.93, 116,083.22 and 30,623.87 is: 45,939.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,381.93 : 116,083.22 = 30,623.87 : x
  2. Step 2: Convert to fraction form
    77,381.93/116,083.22 = 30,623.87/x
  3. Step 3: Cross multiply
    77,381.93x = 116,083.22 × 30,623.87
  4. Step 4: Simplify right side
    77,381.93x = 3,554,916,704.93
  5. Step 5: Solve for x
    x = 3,554,916,704.93/77,381.93
  6. Step 6: Final answer
    x = 45,939.88

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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.