Home / 75,960.32-104,821.44-42,419.84

Finding the Fourth Proportional to 75,960.32, 104,821.44 and 42,419.84

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Solution

The fourth proportional to 75,960.32, 104,821.44 and 42,419.84 is: 58,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,960.32 : 104,821.44 = 42,419.84 : x
  2. Step 2: Convert to fraction form
    75,960.32/104,821.44 = 42,419.84/x
  3. Step 3: Cross multiply
    75,960.32x = 104,821.44 × 42,419.84
  4. Step 4: Simplify right side
    75,960.32x = 4,446,508,713.37
  5. Step 5: Solve for x
    x = 4,446,508,713.37/75,960.32
  6. Step 6: Final answer
    x = 58,537.26

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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.