Home / 52,767.96-79,150.92-21,185.16

Finding the Fourth Proportional to 52,767.96, 79,150.92 and 21,185.16

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Solution

The fourth proportional to 52,767.96, 79,150.92 and 21,185.16 is: 31,777.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,767.96 : 79,150.92 = 21,185.16 : x
  2. Step 2: Convert to fraction form
    52,767.96/79,150.92 = 21,185.16/x
  3. Step 3: Cross multiply
    52,767.96x = 79,150.92 × 21,185.16
  4. Step 4: Simplify right side
    52,767.96x = 1,676,824,904.35
  5. Step 5: Solve for x
    x = 1,676,824,904.35/52,767.96
  6. Step 6: Final answer
    x = 31,777.33

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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.