Home / 53,136.45-79,617.19-37,127.61

Finding the Fourth Proportional to 53,136.45, 79,617.19 and 37,127.61

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Solution

The fourth proportional to 53,136.45, 79,617.19 and 37,127.61 is: 55,630.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,136.45 : 79,617.19 = 37,127.61 : x
  2. Step 2: Convert to fraction form
    53,136.45/79,617.19 = 37,127.61/x
  3. Step 3: Cross multiply
    53,136.45x = 79,617.19 × 37,127.61
  4. Step 4: Simplify right side
    53,136.45x = 2,955,995,581.53
  5. Step 5: Solve for x
    x = 2,955,995,581.53/53,136.45
  6. Step 6: Final answer
    x = 55,630.29

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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.