Home / 123,943.75-171,028.46-70,217.26

Finding the Fourth Proportional to 123,943.75, 171,028.46 and 70,217.26

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Solution

The fourth proportional to 123,943.75, 171,028.46 and 70,217.26 is: 96,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,943.75 : 171,028.46 = 70,217.26 : x
  2. Step 2: Convert to fraction form
    123,943.75/171,028.46 = 70,217.26/x
  3. Step 3: Cross multiply
    123,943.75x = 171,028.46 × 70,217.26
  4. Step 4: Simplify right side
    123,943.75x = 12,009,149,591.19
  5. Step 5: Solve for x
    x = 12,009,149,591.19/123,943.75
  6. Step 6: Final answer
    x = 96,891.94

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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.