Home / 75,869.36-104,699.72-41,877.85

Finding the Fourth Proportional to 75,869.36, 104,699.72 and 41,877.85

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Solution

The fourth proportional to 75,869.36, 104,699.72 and 41,877.85 is: 57,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,869.36 : 104,699.72 = 41,877.85 : x
  2. Step 2: Convert to fraction form
    75,869.36/104,699.72 = 41,877.85/x
  3. Step 3: Cross multiply
    75,869.36x = 104,699.72 × 41,877.85
  4. Step 4: Simplify right side
    75,869.36x = 4,384,598,959.81
  5. Step 5: Solve for x
    x = 4,384,598,959.81/75,869.36
  6. Step 6: Final answer
    x = 57,791.44

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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.