Home / 74,309.83-111,468.40-29,930.58

Finding the Fourth Proportional to 74,309.83, 111,468.40 and 29,930.58

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Solution

The fourth proportional to 74,309.83, 111,468.40 and 29,930.58 is: 44,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,309.83 : 111,468.40 = 29,930.58 : x
  2. Step 2: Convert to fraction form
    74,309.83/111,468.40 = 29,930.58/x
  3. Step 3: Cross multiply
    74,309.83x = 111,468.40 × 29,930.58
  4. Step 4: Simplify right side
    74,309.83x = 3,336,313,788.85
  5. Step 5: Solve for x
    x = 3,336,313,788.85/74,309.83
  6. Step 6: Final answer
    x = 44,897.34

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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.