Home / 75,424.36-113,151.13-28,673.59

Finding the Fourth Proportional to 75,424.36, 113,151.13 and 28,673.59

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Solution

The fourth proportional to 75,424.36, 113,151.13 and 28,673.59 is: 43,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,424.36 : 113,151.13 = 28,673.59 : x
  2. Step 2: Convert to fraction form
    75,424.36/113,151.13 = 28,673.59/x
  3. Step 3: Cross multiply
    75,424.36x = 113,151.13 × 28,673.59
  4. Step 4: Simplify right side
    75,424.36x = 3,244,449,109.66
  5. Step 5: Solve for x
    x = 3,244,449,109.66/75,424.36
  6. Step 6: Final answer
    x = 43,015.93

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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.