Home / 52,537.13-72,501.48-28,664.30

Finding the Fourth Proportional to 52,537.13, 72,501.48 and 28,664.30

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Solution

The fourth proportional to 52,537.13, 72,501.48 and 28,664.30 is: 39,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,537.13 : 72,501.48 = 28,664.30 : x
  2. Step 2: Convert to fraction form
    52,537.13/72,501.48 = 28,664.30/x
  3. Step 3: Cross multiply
    52,537.13x = 72,501.48 × 28,664.30
  4. Step 4: Simplify right side
    52,537.13x = 2,078,204,173.16
  5. Step 5: Solve for x
    x = 2,078,204,173.16/52,537.13
  6. Step 6: Final answer
    x = 39,556.87

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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.