Home / 75,771.39-113,727.18-38,357.73

Finding the Fourth Proportional to 75,771.39, 113,727.18 and 38,357.73

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Solution

The fourth proportional to 75,771.39, 113,727.18 and 38,357.73 is: 57,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,771.39 : 113,727.18 = 38,357.73 : x
  2. Step 2: Convert to fraction form
    75,771.39/113,727.18 = 38,357.73/x
  3. Step 3: Cross multiply
    75,771.39x = 113,727.18 × 38,357.73
  4. Step 4: Simplify right side
    75,771.39x = 4,362,316,464.10
  5. Step 5: Solve for x
    x = 4,362,316,464.10/75,771.39
  6. Step 6: Final answer
    x = 57,572.08

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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.