Home / 75,828.49-113,756.11-25,896.89

Finding the Fourth Proportional to 75,828.49, 113,756.11 and 25,896.89

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Solution

The fourth proportional to 75,828.49, 113,756.11 and 25,896.89 is: 38,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,828.49 : 113,756.11 = 25,896.89 : x
  2. Step 2: Convert to fraction form
    75,828.49/113,756.11 = 25,896.89/x
  3. Step 3: Cross multiply
    75,828.49x = 113,756.11 × 25,896.89
  4. Step 4: Simplify right side
    75,828.49x = 2,945,928,769.23
  5. Step 5: Solve for x
    x = 2,945,928,769.23/75,828.49
  6. Step 6: Final answer
    x = 38,849.89

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1.5x scale

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.