Home / 87,157.89-130,738.65-24,828.39

Finding the Fourth Proportional to 87,157.89, 130,738.65 and 24,828.39

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Solution

The fourth proportional to 87,157.89, 130,738.65 and 24,828.39 is: 37,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,157.89 : 130,738.65 = 24,828.39 : x
  2. Step 2: Convert to fraction form
    87,157.89/130,738.65 = 24,828.39/x
  3. Step 3: Cross multiply
    87,157.89x = 130,738.65 × 24,828.39
  4. Step 4: Simplify right side
    87,157.89x = 3,246,030,190.27
  5. Step 5: Solve for x
    x = 3,246,030,190.27/87,157.89
  6. Step 6: Final answer
    x = 37,243.10

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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.