Home / 75,909.06-113,873.31-29,155.86

Finding the Fourth Proportional to 75,909.06, 113,873.31 and 29,155.86

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Solution

The fourth proportional to 75,909.06, 113,873.31 and 29,155.86 is: 43,737.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,909.06 : 113,873.31 = 29,155.86 : x
  2. Step 2: Convert to fraction form
    75,909.06/113,873.31 = 29,155.86/x
  3. Step 3: Cross multiply
    75,909.06x = 113,873.31 × 29,155.86
  4. Step 4: Simplify right side
    75,909.06x = 3,320,074,284.10
  5. Step 5: Solve for x
    x = 3,320,074,284.10/75,909.06
  6. Step 6: Final answer
    x = 43,737.52

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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.