Home / 62,728.25-94,106.96-21,175.25

Finding the Fourth Proportional to 62,728.25, 94,106.96 and 21,175.25

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Solution

The fourth proportional to 62,728.25, 94,106.96 and 21,175.25 is: 31,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,728.25 : 94,106.96 = 21,175.25 : x
  2. Step 2: Convert to fraction form
    62,728.25/94,106.96 = 21,175.25/x
  3. Step 3: Cross multiply
    62,728.25x = 94,106.96 × 21,175.25
  4. Step 4: Simplify right side
    62,728.25x = 1,992,738,298.86
  5. Step 5: Solve for x
    x = 1,992,738,298.86/62,728.25
  6. Step 6: Final answer
    x = 31,767.80

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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.