Home / 76,176.90-114,275.97-31,793.49

Finding the Fourth Proportional to 76,176.90, 114,275.97 and 31,793.49

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Solution

The fourth proportional to 76,176.90, 114,275.97 and 31,793.49 is: 47,694.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,176.90 : 114,275.97 = 31,793.49 : x
  2. Step 2: Convert to fraction form
    76,176.90/114,275.97 = 31,793.49/x
  3. Step 3: Cross multiply
    76,176.90x = 114,275.97 × 31,793.49
  4. Step 4: Simplify right side
    76,176.90x = 3,633,231,909.44
  5. Step 5: Solve for x
    x = 3,633,231,909.44/76,176.90
  6. Step 6: Final answer
    x = 47,694.67

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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.