Home / 56,135.07-84,129.66-22,816.35

Finding the Fourth Proportional to 56,135.07, 84,129.66 and 22,816.35

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Solution

The fourth proportional to 56,135.07, 84,129.66 and 22,816.35 is: 34,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,135.07 : 84,129.66 = 22,816.35 : x
  2. Step 2: Convert to fraction form
    56,135.07/84,129.66 = 22,816.35/x
  3. Step 3: Cross multiply
    56,135.07x = 84,129.66 × 22,816.35
  4. Step 4: Simplify right side
    56,135.07x = 1,919,531,767.94
  5. Step 5: Solve for x
    x = 1,919,531,767.94/56,135.07
  6. Step 6: Final answer
    x = 34,194.88

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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.