Home / 76,943.96-115,404.36-24,346.61

Finding the Fourth Proportional to 76,943.96, 115,404.36 and 24,346.61

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Solution

The fourth proportional to 76,943.96, 115,404.36 and 24,346.61 is: 36,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,943.96 : 115,404.36 = 24,346.61 : x
  2. Step 2: Convert to fraction form
    76,943.96/115,404.36 = 24,346.61/x
  3. Step 3: Cross multiply
    76,943.96x = 115,404.36 × 24,346.61
  4. Step 4: Simplify right side
    76,943.96x = 2,809,704,368.20
  5. Step 5: Solve for x
    x = 2,809,704,368.20/76,943.96
  6. Step 6: Final answer
    x = 36,516.25

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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.