Home / 67,722.48-101,587.37-28,239.84

Finding the Fourth Proportional to 67,722.48, 101,587.37 and 28,239.84

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Solution

The fourth proportional to 67,722.48, 101,587.37 and 28,239.84 is: 42,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,722.48 : 101,587.37 = 28,239.84 : x
  2. Step 2: Convert to fraction form
    67,722.48/101,587.37 = 28,239.84/x
  3. Step 3: Cross multiply
    67,722.48x = 101,587.37 × 28,239.84
  4. Step 4: Simplify right side
    67,722.48x = 2,868,810,933.62
  5. Step 5: Solve for x
    x = 2,868,810,933.62/67,722.48
  6. Step 6: Final answer
    x = 42,361.28

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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.