Home / 75,811.40-104,618.43-41,823.14

Finding the Fourth Proportional to 75,811.40, 104,618.43 and 41,823.14

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Solution

The fourth proportional to 75,811.40, 104,618.43 and 41,823.14 is: 57,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,811.40 : 104,618.43 = 41,823.14 : x
  2. Step 2: Convert to fraction form
    75,811.40/104,618.43 = 41,823.14/x
  3. Step 3: Cross multiply
    75,811.40x = 104,618.43 × 41,823.14
  4. Step 4: Simplify right side
    75,811.40x = 4,375,471,244.47
  5. Step 5: Solve for x
    x = 4,375,471,244.47/75,811.40
  6. Step 6: Final answer
    x = 57,715.21

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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.