Home / 67,723.20-101,580.48-30,286.08

Finding the Fourth Proportional to 67,723.20, 101,580.48 and 30,286.08

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Solution

The fourth proportional to 67,723.20, 101,580.48 and 30,286.08 is: 45,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,723.20 : 101,580.48 = 30,286.08 : x
  2. Step 2: Convert to fraction form
    67,723.20/101,580.48 = 30,286.08/x
  3. Step 3: Cross multiply
    67,723.20x = 101,580.48 × 30,286.08
  4. Step 4: Simplify right side
    67,723.20x = 3,076,474,543.72
  5. Step 5: Solve for x
    x = 3,076,474,543.72/67,723.20
  6. Step 6: Final answer
    x = 45,427.19

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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.