Home / 65,932.20-98,916.17-21,553.11

Finding the Fourth Proportional to 65,932.20, 98,916.17 and 21,553.11

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Solution

The fourth proportional to 65,932.20, 98,916.17 and 21,553.11 is: 32,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,932.20 : 98,916.17 = 21,553.11 : x
  2. Step 2: Convert to fraction form
    65,932.20/98,916.17 = 21,553.11/x
  3. Step 3: Cross multiply
    65,932.20x = 98,916.17 × 21,553.11
  4. Step 4: Simplify right side
    65,932.20x = 2,131,950,985.02
  5. Step 5: Solve for x
    x = 2,131,950,985.02/65,932.20
  6. Step 6: Final answer
    x = 32,335.51

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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.