Home / 67,722.80-101,427.72-64,508.72

Finding the Fourth Proportional to 67,722.80, 101,427.72 and 64,508.72

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Solution

The fourth proportional to 67,722.80, 101,427.72 and 64,508.72 is: 96,614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,722.80 : 101,427.72 = 64,508.72 : x
  2. Step 2: Convert to fraction form
    67,722.80/101,427.72 = 64,508.72/x
  3. Step 3: Cross multiply
    67,722.80x = 101,427.72 × 64,508.72
  4. Step 4: Simplify right side
    67,722.80x = 6,542,972,389.72
  5. Step 5: Solve for x
    x = 6,542,972,389.72/67,722.80
  6. Step 6: Final answer
    x = 96,614.03

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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.