Home / 56,628.50-84,945.78-14,508.90

Finding the Fourth Proportional to 56,628.50, 84,945.78 and 14,508.90

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Solution

The fourth proportional to 56,628.50, 84,945.78 and 14,508.90 is: 21,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,628.50 : 84,945.78 = 14,508.90 : x
  2. Step 2: Convert to fraction form
    56,628.50/84,945.78 = 14,508.90/x
  3. Step 3: Cross multiply
    56,628.50x = 84,945.78 × 14,508.90
  4. Step 4: Simplify right side
    56,628.50x = 1,232,469,827.44
  5. Step 5: Solve for x
    x = 1,232,469,827.44/56,628.50
  6. Step 6: Final answer
    x = 21,764.13

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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.