Home / 87,583.14-131,393.88-28,424.76

Finding the Fourth Proportional to 87,583.14, 131,393.88 and 28,424.76

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Solution

The fourth proportional to 87,583.14, 131,393.88 and 28,424.76 is: 42,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,583.14 : 131,393.88 = 28,424.76 : x
  2. Step 2: Convert to fraction form
    87,583.14/131,393.88 = 28,424.76/x
  3. Step 3: Cross multiply
    87,583.14x = 131,393.88 × 28,424.76
  4. Step 4: Simplify right side
    87,583.14x = 3,734,839,504.47
  5. Step 5: Solve for x
    x = 3,734,839,504.47/87,583.14
  6. Step 6: Final answer
    x = 42,643.36

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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.