Home / 77,132.96-115,712.42-24,558.56

Finding the Fourth Proportional to 77,132.96, 115,712.42 and 24,558.56

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Solution

The fourth proportional to 77,132.96, 115,712.42 and 24,558.56 is: 36,841.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,132.96 : 115,712.42 = 24,558.56 : x
  2. Step 2: Convert to fraction form
    77,132.96/115,712.42 = 24,558.56/x
  3. Step 3: Cross multiply
    77,132.96x = 115,712.42 × 24,558.56
  4. Step 4: Simplify right side
    77,132.96x = 2,841,730,409.32
  5. Step 5: Solve for x
    x = 2,841,730,409.32/77,132.96
  6. Step 6: Final answer
    x = 36,841.97

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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.