Home / 75,936.64-113,914.08-31,593.40

Finding the Fourth Proportional to 75,936.64, 113,914.08 and 31,593.40

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Solution

The fourth proportional to 75,936.64, 113,914.08 and 31,593.40 is: 47,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,936.64 : 113,914.08 = 31,593.40 : x
  2. Step 2: Convert to fraction form
    75,936.64/113,914.08 = 31,593.40/x
  3. Step 3: Cross multiply
    75,936.64x = 113,914.08 × 31,593.40
  4. Step 4: Simplify right side
    75,936.64x = 3,598,933,095.07
  5. Step 5: Solve for x
    x = 3,598,933,095.07/75,936.64
  6. Step 6: Final answer
    x = 47,393.89

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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.