Home / 92,136.22-138,095.97-52,720.54

Finding the Fourth Proportional to 92,136.22, 138,095.97 and 52,720.54

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Solution

The fourth proportional to 92,136.22, 138,095.97 and 52,720.54 is: 79,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,136.22 : 138,095.97 = 52,720.54 : x
  2. Step 2: Convert to fraction form
    92,136.22/138,095.97 = 52,720.54/x
  3. Step 3: Cross multiply
    92,136.22x = 138,095.97 × 52,720.54
  4. Step 4: Simplify right side
    92,136.22x = 7,280,494,110.22
  5. Step 5: Solve for x
    x = 7,280,494,110.22/92,136.22
  6. Step 6: Final answer
    x = 79,018.81

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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.