Home / 109,255.51-150,772.16-60,858.02

Finding the Fourth Proportional to 109,255.51, 150,772.16 and 60,858.02

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Solution

The fourth proportional to 109,255.51, 150,772.16 and 60,858.02 is: 83,983.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,255.51 : 150,772.16 = 60,858.02 : x
  2. Step 2: Convert to fraction form
    109,255.51/150,772.16 = 60,858.02/x
  3. Step 3: Cross multiply
    109,255.51x = 150,772.16 × 60,858.02
  4. Step 4: Simplify right side
    109,255.51x = 9,175,694,847.87
  5. Step 5: Solve for x
    x = 9,175,694,847.87/109,255.51
  6. Step 6: Final answer
    x = 83,983.81

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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.