Home / 75,681.65-113,521.25-25,796.48

Finding the Fourth Proportional to 75,681.65, 113,521.25 and 25,796.48

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Solution

The fourth proportional to 75,681.65, 113,521.25 and 25,796.48 is: 38,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,681.65 : 113,521.25 = 25,796.48 : x
  2. Step 2: Convert to fraction form
    75,681.65/113,521.25 = 25,796.48/x
  3. Step 3: Cross multiply
    75,681.65x = 113,521.25 × 25,796.48
  4. Step 4: Simplify right side
    75,681.65x = 2,928,447,958.61
  5. Step 5: Solve for x
    x = 2,928,447,958.61/75,681.65
  6. Step 6: Final answer
    x = 38,694.30

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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.