Home / 45,190.76-67,772.45-13,592.43

Finding the Fourth Proportional to 45,190.76, 67,772.45 and 13,592.43

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Solution

The fourth proportional to 45,190.76, 67,772.45 and 13,592.43 is: 20,384.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,190.76 : 67,772.45 = 13,592.43 : x
  2. Step 2: Convert to fraction form
    45,190.76/67,772.45 = 13,592.43/x
  3. Step 3: Cross multiply
    45,190.76x = 67,772.45 × 13,592.43
  4. Step 4: Simplify right side
    45,190.76x = 921,192,316.53
  5. Step 5: Solve for x
    x = 921,192,316.53/45,190.76
  6. Step 6: Final answer
    x = 20,384.53

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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.