Home / 123,591.36-170,557.20-67,002.87

Finding the Fourth Proportional to 123,591.36, 170,557.20 and 67,002.87

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Solution

The fourth proportional to 123,591.36, 170,557.20 and 67,002.87 is: 92,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,591.36 : 170,557.20 = 67,002.87 : x
  2. Step 2: Convert to fraction form
    123,591.36/170,557.20 = 67,002.87/x
  3. Step 3: Cross multiply
    123,591.36x = 170,557.20 × 67,002.87
  4. Step 4: Simplify right side
    123,591.36x = 11,427,821,899.16
  5. Step 5: Solve for x
    x = 11,427,821,899.16/123,591.36
  6. Step 6: Final answer
    x = 92,464.57

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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.