Home / 84,716.19-127,072.12-22,387.23

Finding the Fourth Proportional to 84,716.19, 127,072.12 and 22,387.23

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Solution

The fourth proportional to 84,716.19, 127,072.12 and 22,387.23 is: 33,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,716.19 : 127,072.12 = 22,387.23 : x
  2. Step 2: Convert to fraction form
    84,716.19/127,072.12 = 22,387.23/x
  3. Step 3: Cross multiply
    84,716.19x = 127,072.12 × 22,387.23
  4. Step 4: Simplify right side
    84,716.19x = 2,844,792,029.73
  5. Step 5: Solve for x
    x = 2,844,792,029.73/84,716.19
  6. Step 6: Final answer
    x = 33,580.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.