Home / 83,722.52-115,539.54-47,924.04

Finding the Fourth Proportional to 83,722.52, 115,539.54 and 47,924.04

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Solution

The fourth proportional to 83,722.52, 115,539.54 and 47,924.04 is: 66,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,722.52 : 115,539.54 = 47,924.04 : x
  2. Step 2: Convert to fraction form
    83,722.52/115,539.54 = 47,924.04/x
  3. Step 3: Cross multiply
    83,722.52x = 115,539.54 × 47,924.04
  4. Step 4: Simplify right side
    83,722.52x = 5,537,121,536.54
  5. Step 5: Solve for x
    x = 5,537,121,536.54/83,722.52
  6. Step 6: Final answer
    x = 66,136.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.