Home / 67,677.48-101,525.94-20,934

Finding the Fourth Proportional to 67,677.48, 101,525.94 and 20,934

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Solution

The fourth proportional to 67,677.48, 101,525.94 and 20,934 is: 31,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,677.48 : 101,525.94 = 20,934 : x
  2. Step 2: Convert to fraction form
    67,677.48/101,525.94 = 20,934/x
  3. Step 3: Cross multiply
    67,677.48x = 101,525.94 × 20,934
  4. Step 4: Simplify right side
    67,677.48x = 2,125,344,027.96
  5. Step 5: Solve for x
    x = 2,125,344,027.96/67,677.48
  6. Step 6: Final answer
    x = 31,404.01

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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.