Home / 75,991.25-113,815.55-36,577.86

Finding the Fourth Proportional to 75,991.25, 113,815.55 and 36,577.86

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Solution

The fourth proportional to 75,991.25, 113,815.55 and 36,577.86 is: 54,784.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,991.25 : 113,815.55 = 36,577.86 : x
  2. Step 2: Convert to fraction form
    75,991.25/113,815.55 = 36,577.86/x
  3. Step 3: Cross multiply
    75,991.25x = 113,815.55 × 36,577.86
  4. Step 4: Simplify right side
    75,991.25x = 4,163,129,070.83
  5. Step 5: Solve for x
    x = 4,163,129,070.83/75,991.25
  6. Step 6: Final answer
    x = 54,784.33

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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.