Home / 123,971.26-171,073.10-67,382.14

Finding the Fourth Proportional to 123,971.26, 171,073.10 and 67,382.14

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Solution

The fourth proportional to 123,971.26, 171,073.10 and 67,382.14 is: 92,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,971.26 : 171,073.10 = 67,382.14 : x
  2. Step 2: Convert to fraction form
    123,971.26/171,073.10 = 67,382.14/x
  3. Step 3: Cross multiply
    123,971.26x = 171,073.10 × 67,382.14
  4. Step 4: Simplify right side
    123,971.26x = 11,527,271,574.43
  5. Step 5: Solve for x
    x = 11,527,271,574.43/123,971.26
  6. Step 6: Final answer
    x = 92,983.42

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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.