Home / 76,944.78-115,431.75-24,349.86

Finding the Fourth Proportional to 76,944.78, 115,431.75 and 24,349.86

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Solution

The fourth proportional to 76,944.78, 115,431.75 and 24,349.86 is: 36,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,944.78 : 115,431.75 = 24,349.86 : x
  2. Step 2: Convert to fraction form
    76,944.78/115,431.75 = 24,349.86/x
  3. Step 3: Cross multiply
    76,944.78x = 115,431.75 × 24,349.86
  4. Step 4: Simplify right side
    76,944.78x = 2,810,746,952.06
  5. Step 5: Solve for x
    x = 2,810,746,952.06/76,944.78
  6. Step 6: Final answer
    x = 36,529.40

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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.