Home / 48,136.23-66,448.22-29,279.91

Finding the Fourth Proportional to 48,136.23, 66,448.22 and 29,279.91

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Solution

The fourth proportional to 48,136.23, 66,448.22 and 29,279.91 is: 40,418.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,136.23 : 66,448.22 = 29,279.91 : x
  2. Step 2: Convert to fraction form
    48,136.23/66,448.22 = 29,279.91/x
  3. Step 3: Cross multiply
    48,136.23x = 66,448.22 × 29,279.91
  4. Step 4: Simplify right side
    48,136.23x = 1,945,597,754.86
  5. Step 5: Solve for x
    x = 1,945,597,754.86/48,136.23
  6. Step 6: Final answer
    x = 40,418.57

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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.