Home / 68,935.14-103,491.26-53,150.20

Finding the Fourth Proportional to 68,935.14, 103,491.26 and 53,150.20

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Solution

The fourth proportional to 68,935.14, 103,491.26 and 53,150.20 is: 79,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,935.14 : 103,491.26 = 53,150.20 : x
  2. Step 2: Convert to fraction form
    68,935.14/103,491.26 = 53,150.20/x
  3. Step 3: Cross multiply
    68,935.14x = 103,491.26 × 53,150.20
  4. Step 4: Simplify right side
    68,935.14x = 5,500,580,384.04
  5. Step 5: Solve for x
    x = 5,500,580,384.04/68,935.14
  6. Step 6: Final answer
    x = 79,793.57

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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.