Home / 73,324.44-101,185-39,789.72

Finding the Fourth Proportional to 73,324.44, 101,185 and 39,789.72

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Solution

The fourth proportional to 73,324.44, 101,185 and 39,789.72 is: 54,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,324.44 : 101,185 = 39,789.72 : x
  2. Step 2: Convert to fraction form
    73,324.44/101,185 = 39,789.72/x
  3. Step 3: Cross multiply
    73,324.44x = 101,185 × 39,789.72
  4. Step 4: Simplify right side
    73,324.44x = 4,026,122,818.20
  5. Step 5: Solve for x
    x = 4,026,122,818.20/73,324.44
  6. Step 6: Final answer
    x = 54,908.33

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Half scale
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Double scale
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1.5x scale

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.