Home / 75,769.36-113,687.56-39,737.22

Finding the Fourth Proportional to 75,769.36, 113,687.56 and 39,737.22

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Solution

The fourth proportional to 75,769.36, 113,687.56 and 39,737.22 is: 59,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,769.36 : 113,687.56 = 39,737.22 : x
  2. Step 2: Convert to fraction form
    75,769.36/113,687.56 = 39,737.22/x
  3. Step 3: Cross multiply
    75,769.36x = 113,687.56 × 39,737.22
  4. Step 4: Simplify right side
    75,769.36x = 4,517,627,206.33
  5. Step 5: Solve for x
    x = 4,517,627,206.33/75,769.36
  6. Step 6: Final answer
    x = 59,623.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.