Home / 75,939.39-113,918.20-31,596.14

Finding the Fourth Proportional to 75,939.39, 113,918.20 and 31,596.14

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Solution

The fourth proportional to 75,939.39, 113,918.20 and 31,596.14 is: 47,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,939.39 : 113,918.20 = 31,596.14 : x
  2. Step 2: Convert to fraction form
    75,939.39/113,918.20 = 31,596.14/x
  3. Step 3: Cross multiply
    75,939.39x = 113,918.20 × 31,596.14
  4. Step 4: Simplify right side
    75,939.39x = 3,599,375,395.75
  5. Step 5: Solve for x
    x = 3,599,375,395.75/75,939.39
  6. Step 6: Final answer
    x = 47,398.00

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1.5x scale

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.