Home / 52,857.81-79,131.20-35,284.05

Finding the Fourth Proportional to 52,857.81, 79,131.20 and 35,284.05

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Solution

The fourth proportional to 52,857.81, 79,131.20 and 35,284.05 is: 52,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,857.81 : 79,131.20 = 35,284.05 : x
  2. Step 2: Convert to fraction form
    52,857.81/79,131.20 = 35,284.05/x
  3. Step 3: Cross multiply
    52,857.81x = 79,131.20 × 35,284.05
  4. Step 4: Simplify right side
    52,857.81x = 2,792,069,040.94
  5. Step 5: Solve for x
    x = 2,792,069,040.94/52,857.81
  6. Step 6: Final answer
    x = 52,822.26

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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.