Home / 112,081.70-154,668.09-61,093.31

Finding the Fourth Proportional to 112,081.70, 154,668.09 and 61,093.31

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Solution

The fourth proportional to 112,081.70, 154,668.09 and 61,093.31 is: 84,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,081.70 : 154,668.09 = 61,093.31 : x
  2. Step 2: Convert to fraction form
    112,081.70/154,668.09 = 61,093.31/x
  3. Step 3: Cross multiply
    112,081.70x = 154,668.09 × 61,093.31
  4. Step 4: Simplify right side
    112,081.70x = 9,449,185,569.48
  5. Step 5: Solve for x
    x = 9,449,185,569.48/112,081.70
  6. Step 6: Final answer
    x = 84,306.23

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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.