Home / 97,784.22-134,942.31-53,072.22

Finding the Fourth Proportional to 97,784.22, 134,942.31 and 53,072.22

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Solution

The fourth proportional to 97,784.22, 134,942.31 and 53,072.22 is: 73,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,784.22 : 134,942.31 = 53,072.22 : x
  2. Step 2: Convert to fraction form
    97,784.22/134,942.31 = 53,072.22/x
  3. Step 3: Cross multiply
    97,784.22x = 134,942.31 × 53,072.22
  4. Step 4: Simplify right side
    97,784.22x = 7,161,687,963.63
  5. Step 5: Solve for x
    x = 7,161,687,963.63/97,784.22
  6. Step 6: Final answer
    x = 73,239.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.