Home / 74,248.67-111,393.58-34,279.88

Finding the Fourth Proportional to 74,248.67, 111,393.58 and 34,279.88

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Solution

The fourth proportional to 74,248.67, 111,393.58 and 34,279.88 is: 51,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,248.67 : 111,393.58 = 34,279.88 : x
  2. Step 2: Convert to fraction form
    74,248.67/111,393.58 = 34,279.88/x
  3. Step 3: Cross multiply
    74,248.67x = 111,393.58 × 34,279.88
  4. Step 4: Simplify right side
    74,248.67x = 3,818,557,976.78
  5. Step 5: Solve for x
    x = 3,818,557,976.78/74,248.67
  6. Step 6: Final answer
    x = 51,429.31

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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.