Home / 91,749.63-137,624.66-25,190.67

Finding the Fourth Proportional to 91,749.63, 137,624.66 and 25,190.67

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Solution

The fourth proportional to 91,749.63, 137,624.66 and 25,190.67 is: 37,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,749.63 : 137,624.66 = 25,190.67 : x
  2. Step 2: Convert to fraction form
    91,749.63/137,624.66 = 25,190.67/x
  3. Step 3: Cross multiply
    91,749.63x = 137,624.66 × 25,190.67
  4. Step 4: Simplify right side
    91,749.63x = 3,466,857,393.92
  5. Step 5: Solve for x
    x = 3,466,857,393.92/91,749.63
  6. Step 6: Final answer
    x = 37,786.06

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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.