Home / 76,881.35-115,337.59-32,508.03

Finding the Fourth Proportional to 76,881.35, 115,337.59 and 32,508.03

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Solution

The fourth proportional to 76,881.35, 115,337.59 and 32,508.03 is: 48,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,881.35 : 115,337.59 = 32,508.03 : x
  2. Step 2: Convert to fraction form
    76,881.35/115,337.59 = 32,508.03/x
  3. Step 3: Cross multiply
    76,881.35x = 115,337.59 × 32,508.03
  4. Step 4: Simplify right side
    76,881.35x = 3,749,397,835.85
  5. Step 5: Solve for x
    x = 3,749,397,835.85/76,881.35
  6. Step 6: Final answer
    x = 48,768.63

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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.