Home / 75,681.88-113,521.64-25,796.72

Finding the Fourth Proportional to 75,681.88, 113,521.64 and 25,796.72

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Solution

The fourth proportional to 75,681.88, 113,521.64 and 25,796.72 is: 38,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,681.88 : 113,521.64 = 25,796.72 : x
  2. Step 2: Convert to fraction form
    75,681.88/113,521.64 = 25,796.72/x
  3. Step 3: Cross multiply
    75,681.88x = 113,521.64 × 25,796.72
  4. Step 4: Simplify right side
    75,681.88x = 2,928,485,961.02
  5. Step 5: Solve for x
    x = 2,928,485,961.02/75,681.88
  6. Step 6: Final answer
    x = 38,694.68

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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.