Home / 75,896.88-113,845.32-25,977.60

Finding the Fourth Proportional to 75,896.88, 113,845.32 and 25,977.60

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Solution

The fourth proportional to 75,896.88, 113,845.32 and 25,977.60 is: 38,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,896.88 : 113,845.32 = 25,977.60 : x
  2. Step 2: Convert to fraction form
    75,896.88/113,845.32 = 25,977.60/x
  3. Step 3: Cross multiply
    75,896.88x = 113,845.32 × 25,977.60
  4. Step 4: Simplify right side
    75,896.88x = 2,957,428,184.83
  5. Step 5: Solve for x
    x = 2,957,428,184.83/75,896.88
  6. Step 6: Final answer
    x = 38,966.40

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Similar ratio
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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.