Home / 87,922.13-131,883.35-21,362.31

Finding the Fourth Proportional to 87,922.13, 131,883.35 and 21,362.31

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Solution

The fourth proportional to 87,922.13, 131,883.35 and 21,362.31 is: 32,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,922.13 : 131,883.35 = 21,362.31 : x
  2. Step 2: Convert to fraction form
    87,922.13/131,883.35 = 21,362.31/x
  3. Step 3: Cross multiply
    87,922.13x = 131,883.35 × 21,362.31
  4. Step 4: Simplify right side
    87,922.13x = 2,817,333,006.54
  5. Step 5: Solve for x
    x = 2,817,333,006.54/87,922.13
  6. Step 6: Final answer
    x = 32,043.50

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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.