Home / 89,204.09-133,854.59-51,791.06

Finding the Fourth Proportional to 89,204.09, 133,854.59 and 51,791.06

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Solution

The fourth proportional to 89,204.09, 133,854.59 and 51,791.06 is: 77,714.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,204.09 : 133,854.59 = 51,791.06 : x
  2. Step 2: Convert to fraction form
    89,204.09/133,854.59 = 51,791.06/x
  3. Step 3: Cross multiply
    89,204.09x = 133,854.59 × 51,791.06
  4. Step 4: Simplify right side
    89,204.09x = 6,932,470,173.74
  5. Step 5: Solve for x
    x = 6,932,470,173.74/89,204.09
  6. Step 6: Final answer
    x = 77,714.72

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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.