Home / 109,088.11-150,536.09-61,338.61

Finding the Fourth Proportional to 109,088.11, 150,536.09 and 61,338.61

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Solution

The fourth proportional to 109,088.11, 150,536.09 and 61,338.61 is: 84,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,088.11 : 150,536.09 = 61,338.61 : x
  2. Step 2: Convert to fraction form
    109,088.11/150,536.09 = 61,338.61/x
  3. Step 3: Cross multiply
    109,088.11x = 150,536.09 × 61,338.61
  4. Step 4: Simplify right side
    109,088.11x = 9,233,673,456.06
  5. Step 5: Solve for x
    x = 9,233,673,456.06/109,088.11
  6. Step 6: Final answer
    x = 84,644.18

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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.