Home / 100,831.82-151,341.08-50,947.02

Finding the Fourth Proportional to 100,831.82, 151,341.08 and 50,947.02

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Solution

The fourth proportional to 100,831.82, 151,341.08 and 50,947.02 is: 76,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,831.82 : 151,341.08 = 50,947.02 : x
  2. Step 2: Convert to fraction form
    100,831.82/151,341.08 = 50,947.02/x
  3. Step 3: Cross multiply
    100,831.82x = 151,341.08 × 50,947.02
  4. Step 4: Simplify right side
    100,831.82x = 7,710,377,029.58
  5. Step 5: Solve for x
    x = 7,710,377,029.58/100,831.82
  6. Step 6: Final answer
    x = 76,467.70

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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.