Home / 76,884.41-115,338.96-24,289.89

Finding the Fourth Proportional to 76,884.41, 115,338.96 and 24,289.89

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Solution

The fourth proportional to 76,884.41, 115,338.96 and 24,289.89 is: 36,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,884.41 : 115,338.96 = 24,289.89 : x
  2. Step 2: Convert to fraction form
    76,884.41/115,338.96 = 24,289.89/x
  3. Step 3: Cross multiply
    76,884.41x = 115,338.96 × 24,289.89
  4. Step 4: Simplify right side
    76,884.41x = 2,801,570,651.11
  5. Step 5: Solve for x
    x = 2,801,570,651.11/76,884.41
  6. Step 6: Final answer
    x = 36,438.74

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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.