Home / 56,112.29-84,171.32-53,274.66

Finding the Fourth Proportional to 56,112.29, 84,171.32 and 53,274.66

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Solution

The fourth proportional to 56,112.29, 84,171.32 and 53,274.66 is: 79,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,112.29 : 84,171.32 = 53,274.66 : x
  2. Step 2: Convert to fraction form
    56,112.29/84,171.32 = 53,274.66/x
  3. Step 3: Cross multiply
    56,112.29x = 84,171.32 × 53,274.66
  4. Step 4: Simplify right side
    56,112.29x = 4,484,198,072.52
  5. Step 5: Solve for x
    x = 4,484,198,072.52/56,112.29
  6. Step 6: Final answer
    x = 79,914.72

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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.