Home / 109,536.88-151,162.62-61,791.16

Finding the Fourth Proportional to 109,536.88, 151,162.62 and 61,791.16

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Solution

The fourth proportional to 109,536.88, 151,162.62 and 61,791.16 is: 85,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,536.88 : 151,162.62 = 61,791.16 : x
  2. Step 2: Convert to fraction form
    109,536.88/151,162.62 = 61,791.16/x
  3. Step 3: Cross multiply
    109,536.88x = 151,162.62 × 61,791.16
  4. Step 4: Simplify right side
    109,536.88x = 9,340,513,638.44
  5. Step 5: Solve for x
    x = 9,340,513,638.44/109,536.88
  6. Step 6: Final answer
    x = 85,272.77

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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.