Home / 67,668.48-101,539.44-28,229.04

Finding the Fourth Proportional to 67,668.48, 101,539.44 and 28,229.04

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Solution

The fourth proportional to 67,668.48, 101,539.44 and 28,229.04 is: 42,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,668.48 : 101,539.44 = 28,229.04 : x
  2. Step 2: Convert to fraction form
    67,668.48/101,539.44 = 28,229.04/x
  3. Step 3: Cross multiply
    67,668.48x = 101,539.44 × 28,229.04
  4. Step 4: Simplify right side
    67,668.48x = 2,866,360,913.34
  5. Step 5: Solve for x
    x = 2,866,360,913.34/67,668.48
  6. Step 6: Final answer
    x = 42,358.88

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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.