Home / 60,378.88-90,571.20-32,287.36

Finding the Fourth Proportional to 60,378.88, 90,571.20 and 32,287.36

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Solution

The fourth proportional to 60,378.88, 90,571.20 and 32,287.36 is: 48,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,378.88 : 90,571.20 = 32,287.36 : x
  2. Step 2: Convert to fraction form
    60,378.88/90,571.20 = 32,287.36/x
  3. Step 3: Cross multiply
    60,378.88x = 90,571.20 × 32,287.36
  4. Step 4: Simplify right side
    60,378.88x = 2,924,304,940.03
  5. Step 5: Solve for x
    x = 2,924,304,940.03/60,378.88
  6. Step 6: Final answer
    x = 48,432.58

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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.