Home / 67,890.22-101,802.44-39,819.48

Finding the Fourth Proportional to 67,890.22, 101,802.44 and 39,819.48

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Solution

The fourth proportional to 67,890.22, 101,802.44 and 39,819.48 is: 59,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,890.22 : 101,802.44 = 39,819.48 : x
  2. Step 2: Convert to fraction form
    67,890.22/101,802.44 = 39,819.48/x
  3. Step 3: Cross multiply
    67,890.22x = 101,802.44 × 39,819.48
  4. Step 4: Simplify right side
    67,890.22x = 4,053,720,223.53
  5. Step 5: Solve for x
    x = 4,053,720,223.53/67,890.22
  6. Step 6: Final answer
    x = 59,709.93

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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.