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Finding the Fourth Proportional to 71,301.48, 106,888.77 and 33,838.44

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Solution

The fourth proportional to 71,301.48, 106,888.77 and 33,838.44 is: 50,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,301.48 : 106,888.77 = 33,838.44 : x
  2. Step 2: Convert to fraction form
    71,301.48/106,888.77 = 33,838.44/x
  3. Step 3: Cross multiply
    71,301.48x = 106,888.77 × 33,838.44
  4. Step 4: Simplify right side
    71,301.48x = 3,616,949,230.32
  5. Step 5: Solve for x
    x = 3,616,949,230.32/71,301.48
  6. Step 6: Final answer
    x = 50,727.55

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1.5x scale

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.