Home / 60,301.20-90,425.88-18,751.44

Finding the Fourth Proportional to 60,301.20, 90,425.88 and 18,751.44

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Solution

The fourth proportional to 60,301.20, 90,425.88 and 18,751.44 is: 28,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,301.20 : 90,425.88 = 18,751.44 : x
  2. Step 2: Convert to fraction form
    60,301.20/90,425.88 = 18,751.44/x
  3. Step 3: Cross multiply
    60,301.20x = 90,425.88 × 18,751.44
  4. Step 4: Simplify right side
    60,301.20x = 1,695,615,463.27
  5. Step 5: Solve for x
    x = 1,695,615,463.27/60,301.20
  6. Step 6: Final answer
    x = 28,119.10

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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.