Home / 87,762.11-131,656.13-25,424.51

Finding the Fourth Proportional to 87,762.11, 131,656.13 and 25,424.51

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Solution

The fourth proportional to 87,762.11, 131,656.13 and 25,424.51 is: 38,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,762.11 : 131,656.13 = 25,424.51 : x
  2. Step 2: Convert to fraction form
    87,762.11/131,656.13 = 25,424.51/x
  3. Step 3: Cross multiply
    87,762.11x = 131,656.13 × 25,424.51
  4. Step 4: Simplify right side
    87,762.11x = 3,347,292,466.62
  5. Step 5: Solve for x
    x = 3,347,292,466.62/87,762.11
  6. Step 6: Final answer
    x = 38,140.52

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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.