Home / 75,803.64-113,731.68-25,918.85

Finding the Fourth Proportional to 75,803.64, 113,731.68 and 25,918.85

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Solution

The fourth proportional to 75,803.64, 113,731.68 and 25,918.85 is: 38,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,803.64 : 113,731.68 = 25,918.85 : x
  2. Step 2: Convert to fraction form
    75,803.64/113,731.68 = 25,918.85/x
  3. Step 3: Cross multiply
    75,803.64x = 113,731.68 × 25,918.85
  4. Step 4: Simplify right side
    75,803.64x = 2,947,794,900.34
  5. Step 5: Solve for x
    x = 2,947,794,900.34/75,803.64
  6. Step 6: Final answer
    x = 38,887.25

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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.