Home / 76,475.74-114,707.94-32,100.70

Finding the Fourth Proportional to 76,475.74, 114,707.94 and 32,100.70

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Solution

The fourth proportional to 76,475.74, 114,707.94 and 32,100.70 is: 48,148.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,475.74 : 114,707.94 = 32,100.70 : x
  2. Step 2: Convert to fraction form
    76,475.74/114,707.94 = 32,100.70/x
  3. Step 3: Cross multiply
    76,475.74x = 114,707.94 × 32,100.70
  4. Step 4: Simplify right side
    76,475.74x = 3,682,205,169.56
  5. Step 5: Solve for x
    x = 3,682,205,169.56/76,475.74
  6. Step 6: Final answer
    x = 48,148.67

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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.