Home / 60,229.08-90,270.72-53,143.20

Finding the Fourth Proportional to 60,229.08, 90,270.72 and 53,143.20

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Solution

The fourth proportional to 60,229.08, 90,270.72 and 53,143.20 is: 79,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,229.08 : 90,270.72 = 53,143.20 : x
  2. Step 2: Convert to fraction form
    60,229.08/90,270.72 = 53,143.20/x
  3. Step 3: Cross multiply
    60,229.08x = 90,270.72 × 53,143.20
  4. Step 4: Simplify right side
    60,229.08x = 4,797,274,927.10
  5. Step 5: Solve for x
    x = 4,797,274,927.10/60,229.08
  6. Step 6: Final answer
    x = 79,650.48

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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.