Home / 110,736.64-152,796.12-62,987.20

Finding the Fourth Proportional to 110,736.64, 152,796.12 and 62,987.20

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Solution

The fourth proportional to 110,736.64, 152,796.12 and 62,987.20 is: 86,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,736.64 : 152,796.12 = 62,987.20 : x
  2. Step 2: Convert to fraction form
    110,736.64/152,796.12 = 62,987.20/x
  3. Step 3: Cross multiply
    110,736.64x = 152,796.12 × 62,987.20
  4. Step 4: Simplify right side
    110,736.64x = 9,624,199,769.66
  5. Step 5: Solve for x
    x = 9,624,199,769.66/110,736.64
  6. Step 6: Final answer
    x = 86,910.71

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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.