Home / 49,116.98-73,613.51-21,003.80

Finding the Fourth Proportional to 49,116.98, 73,613.51 and 21,003.80

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Solution

The fourth proportional to 49,116.98, 73,613.51 and 21,003.80 is: 31,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,116.98 : 73,613.51 = 21,003.80 : x
  2. Step 2: Convert to fraction form
    49,116.98/73,613.51 = 21,003.80/x
  3. Step 3: Cross multiply
    49,116.98x = 73,613.51 × 21,003.80
  4. Step 4: Simplify right side
    49,116.98x = 1,546,163,125.78
  5. Step 5: Solve for x
    x = 1,546,163,125.78/49,116.98
  6. Step 6: Final answer
    x = 31,479.20

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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.