Home / 109,589.43-151,231.92-61,192.10

Finding the Fourth Proportional to 109,589.43, 151,231.92 and 61,192.10

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Solution

The fourth proportional to 109,589.43, 151,231.92 and 61,192.10 is: 84,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,589.43 : 151,231.92 = 61,192.10 : x
  2. Step 2: Convert to fraction form
    109,589.43/151,231.92 = 61,192.10/x
  3. Step 3: Cross multiply
    109,589.43x = 151,231.92 × 61,192.10
  4. Step 4: Simplify right side
    109,589.43x = 9,254,199,149.91
  5. Step 5: Solve for x
    x = 9,254,199,149.91/109,589.43
  6. Step 6: Final answer
    x = 84,444.27

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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.