Home / 49,109.13-73,663.83-15,831.63

Finding the Fourth Proportional to 49,109.13, 73,663.83 and 15,831.63

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Solution

The fourth proportional to 49,109.13, 73,663.83 and 15,831.63 is: 23,747.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,109.13 : 73,663.83 = 15,831.63 : x
  2. Step 2: Convert to fraction form
    49,109.13/73,663.83 = 15,831.63/x
  3. Step 3: Cross multiply
    49,109.13x = 73,663.83 × 15,831.63
  4. Step 4: Simplify right side
    49,109.13x = 1,166,218,500.94
  5. Step 5: Solve for x
    x = 1,166,218,500.94/49,109.13
  6. Step 6: Final answer
    x = 23,747.49

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Double scale
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Similar ratio
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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.