Home / 75,836.39-113,662.34-53,656.16

Finding the Fourth Proportional to 75,836.39, 113,662.34 and 53,656.16

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Solution

The fourth proportional to 75,836.39, 113,662.34 and 53,656.16 is: 80,418.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,836.39 : 113,662.34 = 53,656.16 : x
  2. Step 2: Convert to fraction form
    75,836.39/113,662.34 = 53,656.16/x
  3. Step 3: Cross multiply
    75,836.39x = 113,662.34 × 53,656.16
  4. Step 4: Simplify right side
    75,836.39x = 6,098,684,065.63
  5. Step 5: Solve for x
    x = 6,098,684,065.63/75,836.39
  6. Step 6: Final answer
    x = 80,418.97

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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.