Home / 56,661.17-84,974.36-18,703.44

Finding the Fourth Proportional to 56,661.17, 84,974.36 and 18,703.44

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Solution

The fourth proportional to 56,661.17, 84,974.36 and 18,703.44 is: 28,049.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,661.17 : 84,974.36 = 18,703.44 : x
  2. Step 2: Convert to fraction form
    56,661.17/84,974.36 = 18,703.44/x
  3. Step 3: Cross multiply
    56,661.17x = 84,974.36 × 18,703.44
  4. Step 4: Simplify right side
    56,661.17x = 1,589,312,750.28
  5. Step 5: Solve for x
    x = 1,589,312,750.28/56,661.17
  6. Step 6: Final answer
    x = 28,049.42

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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.