Home / 91,700.92-137,556.96-25,138.36

Finding the Fourth Proportional to 91,700.92, 137,556.96 and 25,138.36

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Solution

The fourth proportional to 91,700.92, 137,556.96 and 25,138.36 is: 37,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,700.92 : 137,556.96 = 25,138.36 : x
  2. Step 2: Convert to fraction form
    91,700.92/137,556.96 = 25,138.36/x
  3. Step 3: Cross multiply
    91,700.92x = 137,556.96 × 25,138.36
  4. Step 4: Simplify right side
    91,700.92x = 3,457,956,380.99
  5. Step 5: Solve for x
    x = 3,457,956,380.99/91,700.92
  6. Step 6: Final answer
    x = 37,709.07

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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.