Home / 45,620.67-68,434.02-21,933.21

Finding the Fourth Proportional to 45,620.67, 68,434.02 and 21,933.21

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Solution

The fourth proportional to 45,620.67, 68,434.02 and 21,933.21 is: 32,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,620.67 : 68,434.02 = 21,933.21 : x
  2. Step 2: Convert to fraction form
    45,620.67/68,434.02 = 21,933.21/x
  3. Step 3: Cross multiply
    45,620.67x = 68,434.02 × 21,933.21
  4. Step 4: Simplify right side
    45,620.67x = 1,500,977,731.80
  5. Step 5: Solve for x
    x = 1,500,977,731.80/45,620.67
  6. Step 6: Final answer
    x = 32,901.26

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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.