Home / 80,747.43-111,430.62-44,447.67

Finding the Fourth Proportional to 80,747.43, 111,430.62 and 44,447.67

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Solution

The fourth proportional to 80,747.43, 111,430.62 and 44,447.67 is: 61,337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,747.43 : 111,430.62 = 44,447.67 : x
  2. Step 2: Convert to fraction form
    80,747.43/111,430.62 = 44,447.67/x
  3. Step 3: Cross multiply
    80,747.43x = 111,430.62 × 44,447.67
  4. Step 4: Simplify right side
    80,747.43x = 4,952,831,425.66
  5. Step 5: Solve for x
    x = 4,952,831,425.66/80,747.43
  6. Step 6: Final answer
    x = 61,337.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.