Home / 90,922.28-136,391.16-27,756.60

Finding the Fourth Proportional to 90,922.28, 136,391.16 and 27,756.60

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Solution

The fourth proportional to 90,922.28, 136,391.16 and 27,756.60 is: 41,637.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,922.28 : 136,391.16 = 27,756.60 : x
  2. Step 2: Convert to fraction form
    90,922.28/136,391.16 = 27,756.60/x
  3. Step 3: Cross multiply
    90,922.28x = 136,391.16 × 27,756.60
  4. Step 4: Simplify right side
    90,922.28x = 3,785,754,871.66
  5. Step 5: Solve for x
    x = 3,785,754,871.66/90,922.28
  6. Step 6: Final answer
    x = 41,637.26

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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.