Home / 77,822.56-116,685.88-30,382.43

Finding the Fourth Proportional to 77,822.56, 116,685.88 and 30,382.43

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Solution

The fourth proportional to 77,822.56, 116,685.88 and 30,382.43 is: 45,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,822.56 : 116,685.88 = 30,382.43 : x
  2. Step 2: Convert to fraction form
    77,822.56/116,685.88 = 30,382.43/x
  3. Step 3: Cross multiply
    77,822.56x = 116,685.88 × 30,382.43
  4. Step 4: Simplify right side
    77,822.56x = 3,545,199,921.70
  5. Step 5: Solve for x
    x = 3,545,199,921.70/77,822.56
  6. Step 6: Final answer
    x = 45,554.91

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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.