Home / 66,328.88-91,535.56-36,112.28

Finding the Fourth Proportional to 66,328.88, 91,535.56 and 36,112.28

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Solution

The fourth proportional to 66,328.88, 91,535.56 and 36,112.28 is: 49,835.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,328.88 : 91,535.56 = 36,112.28 : x
  2. Step 2: Convert to fraction form
    66,328.88/91,535.56 = 36,112.28/x
  3. Step 3: Cross multiply
    66,328.88x = 91,535.56 × 36,112.28
  4. Step 4: Simplify right side
    66,328.88x = 3,305,557,772.68
  5. Step 5: Solve for x
    x = 3,305,557,772.68/66,328.88
  6. Step 6: Final answer
    x = 49,835.88

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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.