Home / 45,821.10-68,715.45-16,239.90

Finding the Fourth Proportional to 45,821.10, 68,715.45 and 16,239.90

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Solution

The fourth proportional to 45,821.10, 68,715.45 and 16,239.90 is: 24,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,821.10 : 68,715.45 = 16,239.90 : x
  2. Step 2: Convert to fraction form
    45,821.10/68,715.45 = 16,239.90/x
  3. Step 3: Cross multiply
    45,821.10x = 68,715.45 × 16,239.90
  4. Step 4: Simplify right side
    45,821.10x = 1,115,932,036.46
  5. Step 5: Solve for x
    x = 1,115,932,036.46/45,821.10
  6. Step 6: Final answer
    x = 24,354.11

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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.