Home / 75,917.07-113,863.89-25,985.70

Finding the Fourth Proportional to 75,917.07, 113,863.89 and 25,985.70

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Solution

The fourth proportional to 75,917.07, 113,863.89 and 25,985.70 is: 38,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,917.07 : 113,863.89 = 25,985.70 : x
  2. Step 2: Convert to fraction form
    75,917.07/113,863.89 = 25,985.70/x
  3. Step 3: Cross multiply
    75,917.07x = 113,863.89 × 25,985.70
  4. Step 4: Simplify right side
    75,917.07x = 2,958,832,886.37
  5. Step 5: Solve for x
    x = 2,958,832,886.37/75,917.07
  6. Step 6: Final answer
    x = 38,974.54

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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.