Home / 100,822.92-151,234.38-30,702.24

Finding the Fourth Proportional to 100,822.92, 151,234.38 and 30,702.24

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Solution

The fourth proportional to 100,822.92, 151,234.38 and 30,702.24 is: 46,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,822.92 : 151,234.38 = 30,702.24 : x
  2. Step 2: Convert to fraction form
    100,822.92/151,234.38 = 30,702.24/x
  3. Step 3: Cross multiply
    100,822.92x = 151,234.38 × 30,702.24
  4. Step 4: Simplify right side
    100,822.92x = 4,643,234,231.01
  5. Step 5: Solve for x
    x = 4,643,234,231.01/100,822.92
  6. Step 6: Final answer
    x = 46,053.36

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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.