Home / 123,989.08-171,175.26-94,862.70

Finding the Fourth Proportional to 123,989.08, 171,175.26 and 94,862.70

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Solution

The fourth proportional to 123,989.08, 171,175.26 and 94,862.70 is: 130,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,989.08 : 171,175.26 = 94,862.70 : x
  2. Step 2: Convert to fraction form
    123,989.08/171,175.26 = 94,862.70/x
  3. Step 3: Cross multiply
    123,989.08x = 171,175.26 × 94,862.70
  4. Step 4: Simplify right side
    123,989.08x = 16,238,147,336.80
  5. Step 5: Solve for x
    x = 16,238,147,336.80/123,989.08
  6. Step 6: Final answer
    x = 130,964.33

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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.