Home / 52,663.24-72,676.41-28,789.90

Finding the Fourth Proportional to 52,663.24, 72,676.41 and 28,789.90

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Solution

The fourth proportional to 52,663.24, 72,676.41 and 28,789.90 is: 39,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,663.24 : 72,676.41 = 28,789.90 : x
  2. Step 2: Convert to fraction form
    52,663.24/72,676.41 = 28,789.90/x
  3. Step 3: Cross multiply
    52,663.24x = 72,676.41 × 28,789.90
  4. Step 4: Simplify right side
    52,663.24x = 2,092,346,576.26
  5. Step 5: Solve for x
    x = 2,092,346,576.26/52,663.24
  6. Step 6: Final answer
    x = 39,730.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.