Home / 123,833.18-170,889.81-67,244.57

Finding the Fourth Proportional to 123,833.18, 170,889.81 and 67,244.57

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Solution

The fourth proportional to 123,833.18, 170,889.81 and 67,244.57 is: 92,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,833.18 : 170,889.81 = 67,244.57 : x
  2. Step 2: Convert to fraction form
    123,833.18/170,889.81 = 67,244.57/x
  3. Step 3: Cross multiply
    123,833.18x = 170,889.81 × 67,244.57
  4. Step 4: Simplify right side
    123,833.18x = 11,491,411,790.83
  5. Step 5: Solve for x
    x = 11,491,411,790.83/123,833.18
  6. Step 6: Final answer
    x = 92,797.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.