Home / 77,283.38-115,846.64-43,934.53

Finding the Fourth Proportional to 77,283.38, 115,846.64 and 43,934.53

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Solution

The fourth proportional to 77,283.38, 115,846.64 and 43,934.53 is: 65,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,283.38 : 115,846.64 = 43,934.53 : x
  2. Step 2: Convert to fraction form
    77,283.38/115,846.64 = 43,934.53/x
  3. Step 3: Cross multiply
    77,283.38x = 115,846.64 × 43,934.53
  4. Step 4: Simplify right side
    77,283.38x = 5,089,667,680.48
  5. Step 5: Solve for x
    x = 5,089,667,680.48/77,283.38
  6. Step 6: Final answer
    x = 65,857.21

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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.