Home / 75,499.38-113,268.51-28,726.74

Finding the Fourth Proportional to 75,499.38, 113,268.51 and 28,726.74

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Solution

The fourth proportional to 75,499.38, 113,268.51 and 28,726.74 is: 43,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,499.38 : 113,268.51 = 28,726.74 : x
  2. Step 2: Convert to fraction form
    75,499.38/113,268.51 = 28,726.74/x
  3. Step 3: Cross multiply
    75,499.38x = 113,268.51 × 28,726.74
  4. Step 4: Simplify right side
    75,499.38x = 3,253,835,036.96
  5. Step 5: Solve for x
    x = 3,253,835,036.96/75,499.38
  6. Step 6: Final answer
    x = 43,097.51

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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.