Home / 119,733.54-165,233.40-66,020.49

Finding the Fourth Proportional to 119,733.54, 165,233.40 and 66,020.49

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Solution

The fourth proportional to 119,733.54, 165,233.40 and 66,020.49 is: 91,108.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,733.54 : 165,233.40 = 66,020.49 : x
  2. Step 2: Convert to fraction form
    119,733.54/165,233.40 = 66,020.49/x
  3. Step 3: Cross multiply
    119,733.54x = 165,233.40 × 66,020.49
  4. Step 4: Simplify right side
    119,733.54x = 10,908,790,032.37
  5. Step 5: Solve for x
    x = 10,908,790,032.37/119,733.54
  6. Step 6: Final answer
    x = 91,108.89

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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.