Home / 77,103.24-115,608.57-32,070.43

Finding the Fourth Proportional to 77,103.24, 115,608.57 and 32,070.43

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Solution

The fourth proportional to 77,103.24, 115,608.57 and 32,070.43 is: 48,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,103.24 : 115,608.57 = 32,070.43 : x
  2. Step 2: Convert to fraction form
    77,103.24/115,608.57 = 32,070.43/x
  3. Step 3: Cross multiply
    77,103.24x = 115,608.57 × 32,070.43
  4. Step 4: Simplify right side
    77,103.24x = 3,707,616,575.83
  5. Step 5: Solve for x
    x = 3,707,616,575.83/77,103.24
  6. Step 6: Final answer
    x = 48,086.39

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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.