Home / 75,499.23-104,189-41,509.91

Finding the Fourth Proportional to 75,499.23, 104,189 and 41,509.91

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Solution

The fourth proportional to 75,499.23, 104,189 and 41,509.91 is: 57,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,499.23 : 104,189 = 41,509.91 : x
  2. Step 2: Convert to fraction form
    75,499.23/104,189 = 41,509.91/x
  3. Step 3: Cross multiply
    75,499.23x = 104,189 × 41,509.91
  4. Step 4: Simplify right side
    75,499.23x = 4,324,875,492.05
  5. Step 5: Solve for x
    x = 4,324,875,492.05/75,499.23
  6. Step 6: Final answer
    x = 57,283.70

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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.