Home / 77,747.19-116,546.90-30,392.66

Finding the Fourth Proportional to 77,747.19, 116,546.90 and 30,392.66

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Solution

The fourth proportional to 77,747.19, 116,546.90 and 30,392.66 is: 45,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,747.19 : 116,546.90 = 30,392.66 : x
  2. Step 2: Convert to fraction form
    77,747.19/116,546.90 = 30,392.66/x
  3. Step 3: Cross multiply
    77,747.19x = 116,546.90 × 30,392.66
  4. Step 4: Simplify right side
    77,747.19x = 3,542,169,571.06
  5. Step 5: Solve for x
    x = 3,542,169,571.06/77,747.19
  6. Step 6: Final answer
    x = 45,560.10

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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.