Home / 71,812.32-99,115.29-41,604.36

Finding the Fourth Proportional to 71,812.32, 99,115.29 and 41,604.36

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Solution

The fourth proportional to 71,812.32, 99,115.29 and 41,604.36 is: 57,422.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,812.32 : 99,115.29 = 41,604.36 : x
  2. Step 2: Convert to fraction form
    71,812.32/99,115.29 = 41,604.36/x
  3. Step 3: Cross multiply
    71,812.32x = 99,115.29 × 41,604.36
  4. Step 4: Simplify right side
    71,812.32x = 4,123,628,206.66
  5. Step 5: Solve for x
    x = 4,123,628,206.66/71,812.32
  6. Step 6: Final answer
    x = 57,422.29

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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.