Home / 75,681.72-113,540.76-23,087.88

Finding the Fourth Proportional to 75,681.72, 113,540.76 and 23,087.88

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Solution

The fourth proportional to 75,681.72, 113,540.76 and 23,087.88 is: 34,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,681.72 : 113,540.76 = 23,087.88 : x
  2. Step 2: Convert to fraction form
    75,681.72/113,540.76 = 23,087.88/x
  3. Step 3: Cross multiply
    75,681.72x = 113,540.76 × 23,087.88
  4. Step 4: Simplify right side
    75,681.72x = 2,621,415,441.99
  5. Step 5: Solve for x
    x = 2,621,415,441.99/75,681.72
  6. Step 6: Final answer
    x = 34,637.37

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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.