Home / 75,786.36-113,695.98-29,039.28

Finding the Fourth Proportional to 75,786.36, 113,695.98 and 29,039.28

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Solution

The fourth proportional to 75,786.36, 113,695.98 and 29,039.28 is: 43,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,786.36 : 113,695.98 = 29,039.28 : x
  2. Step 2: Convert to fraction form
    75,786.36/113,695.98 = 29,039.28/x
  3. Step 3: Cross multiply
    75,786.36x = 113,695.98 × 29,039.28
  4. Step 4: Simplify right side
    75,786.36x = 3,301,649,398.09
  5. Step 5: Solve for x
    x = 3,301,649,398.09/75,786.36
  6. Step 6: Final answer
    x = 43,565.22

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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.