Home / 76,899.39-115,278.60-26,952.26

Finding the Fourth Proportional to 76,899.39, 115,278.60 and 26,952.26

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Solution

The fourth proportional to 76,899.39, 115,278.60 and 26,952.26 is: 40,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,899.39 : 115,278.60 = 26,952.26 : x
  2. Step 2: Convert to fraction form
    76,899.39/115,278.60 = 26,952.26/x
  3. Step 3: Cross multiply
    76,899.39x = 115,278.60 × 26,952.26
  4. Step 4: Simplify right side
    76,899.39x = 3,107,018,799.64
  5. Step 5: Solve for x
    x = 3,107,018,799.64/76,899.39
  6. Step 6: Final answer
    x = 40,403.69

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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.