Home / 45,815.61-68,734.17-14,224.06

Finding the Fourth Proportional to 45,815.61, 68,734.17 and 14,224.06

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Solution

The fourth proportional to 45,815.61, 68,734.17 and 14,224.06 is: 21,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815.61 : 68,734.17 = 14,224.06 : x
  2. Step 2: Convert to fraction form
    45,815.61/68,734.17 = 14,224.06/x
  3. Step 3: Cross multiply
    45,815.61x = 68,734.17 × 14,224.06
  4. Step 4: Simplify right side
    45,815.61x = 977,678,958.13
  5. Step 5: Solve for x
    x = 977,678,958.13/45,815.61
  6. Step 6: Final answer
    x = 21,339.43

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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.