Home / 53,311.20-79,967.08-22,146.48

Finding the Fourth Proportional to 53,311.20, 79,967.08 and 22,146.48

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Solution

The fourth proportional to 53,311.20, 79,967.08 and 22,146.48 is: 33,219.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,311.20 : 79,967.08 = 22,146.48 : x
  2. Step 2: Convert to fraction form
    53,311.20/79,967.08 = 22,146.48/x
  3. Step 3: Cross multiply
    53,311.20x = 79,967.08 × 22,146.48
  4. Step 4: Simplify right side
    53,311.20x = 1,770,989,337.88
  5. Step 5: Solve for x
    x = 1,770,989,337.88/53,311.20
  6. Step 6: Final answer
    x = 33,219.84

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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.