Home / 119,630.24-165,091.68-65,914.47

Finding the Fourth Proportional to 119,630.24, 165,091.68 and 65,914.47

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Solution

The fourth proportional to 119,630.24, 165,091.68 and 65,914.47 is: 90,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,630.24 : 165,091.68 = 65,914.47 : x
  2. Step 2: Convert to fraction form
    119,630.24/165,091.68 = 65,914.47/x
  3. Step 3: Cross multiply
    119,630.24x = 165,091.68 × 65,914.47
  4. Step 4: Simplify right side
    119,630.24x = 10,881,930,588.61
  5. Step 5: Solve for x
    x = 10,881,930,588.61/119,630.24
  6. Step 6: Final answer
    x = 90,963.05

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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.