Home / 75,876.47-104,715.33-41,891.51

Finding the Fourth Proportional to 75,876.47, 104,715.33 and 41,891.51

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Solution

The fourth proportional to 75,876.47, 104,715.33 and 41,891.51 is: 57,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,876.47 : 104,715.33 = 41,891.51 : x
  2. Step 2: Convert to fraction form
    75,876.47/104,715.33 = 41,891.51/x
  3. Step 3: Cross multiply
    75,876.47x = 104,715.33 × 41,891.51
  4. Step 4: Simplify right side
    75,876.47x = 4,386,683,293.85
  5. Step 5: Solve for x
    x = 4,386,683,293.85/75,876.47
  6. Step 6: Final answer
    x = 57,813.49

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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.