Home / 87,933.83-131,899.58-21,373.76

Finding the Fourth Proportional to 87,933.83, 131,899.58 and 21,373.76

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Solution

The fourth proportional to 87,933.83, 131,899.58 and 21,373.76 is: 32,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,933.83 : 131,899.58 = 21,373.76 : x
  2. Step 2: Convert to fraction form
    87,933.83/131,899.58 = 21,373.76/x
  3. Step 3: Cross multiply
    87,933.83x = 131,899.58 × 21,373.76
  4. Step 4: Simplify right side
    87,933.83x = 2,819,189,967.02
  5. Step 5: Solve for x
    x = 2,819,189,967.02/87,933.83
  6. Step 6: Final answer
    x = 32,060.36

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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.