Home / 123,589.36-170,554.44-67,000.87

Finding the Fourth Proportional to 123,589.36, 170,554.44 and 67,000.87

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Solution

The fourth proportional to 123,589.36, 170,554.44 and 67,000.87 is: 92,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,589.36 : 170,554.44 = 67,000.87 : x
  2. Step 2: Convert to fraction form
    123,589.36/170,554.44 = 67,000.87/x
  3. Step 3: Cross multiply
    123,589.36x = 170,554.44 × 67,000.87
  4. Step 4: Simplify right side
    123,589.36x = 11,427,295,862.36
  5. Step 5: Solve for x
    x = 11,427,295,862.36/123,589.36
  6. Step 6: Final answer
    x = 92,461.81

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1.5x scale

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.