Home / 75,673.08-104,427.90-41,680.89

Finding the Fourth Proportional to 75,673.08, 104,427.90 and 41,680.89

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Solution

The fourth proportional to 75,673.08, 104,427.90 and 41,680.89 is: 57,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,673.08 : 104,427.90 = 41,680.89 : x
  2. Step 2: Convert to fraction form
    75,673.08/104,427.90 = 41,680.89/x
  3. Step 3: Cross multiply
    75,673.08x = 104,427.90 × 41,680.89
  4. Step 4: Simplify right side
    75,673.08x = 4,352,647,812.83
  5. Step 5: Solve for x
    x = 4,352,647,812.83/75,673.08
  6. Step 6: Final answer
    x = 57,519.10

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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.