Home / 75,839.38-113,666.84-53,659.16

Finding the Fourth Proportional to 75,839.38, 113,666.84 and 53,659.16

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Solution

The fourth proportional to 75,839.38, 113,666.84 and 53,659.16 is: 80,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,839.38 : 113,666.84 = 53,659.16 : x
  2. Step 2: Convert to fraction form
    75,839.38/113,666.84 = 53,659.16/x
  3. Step 3: Cross multiply
    75,839.38x = 113,666.84 × 53,659.16
  4. Step 4: Simplify right side
    75,839.38x = 6,099,267,154.25
  5. Step 5: Solve for x
    x = 6,099,267,154.25/75,839.38
  6. Step 6: Final answer
    x = 80,423.48

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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.