Home / 87,362.52-131,043.76-21,698.52

Finding the Fourth Proportional to 87,362.52, 131,043.76 and 21,698.52

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Solution

The fourth proportional to 87,362.52, 131,043.76 and 21,698.52 is: 32,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,362.52 : 131,043.76 = 21,698.52 : x
  2. Step 2: Convert to fraction form
    87,362.52/131,043.76 = 21,698.52/x
  3. Step 3: Cross multiply
    87,362.52x = 131,043.76 × 21,698.52
  4. Step 4: Simplify right side
    87,362.52x = 2,843,455,647.24
  5. Step 5: Solve for x
    x = 2,843,455,647.24/87,362.52
  6. Step 6: Final answer
    x = 32,547.78

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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.