Home / 119,579.33-165,017.49-65,869.35

Finding the Fourth Proportional to 119,579.33, 165,017.49 and 65,869.35

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Solution

The fourth proportional to 119,579.33, 165,017.49 and 65,869.35 is: 90,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,579.33 : 165,017.49 = 65,869.35 : x
  2. Step 2: Convert to fraction form
    119,579.33/165,017.49 = 65,869.35/x
  3. Step 3: Cross multiply
    119,579.33x = 165,017.49 × 65,869.35
  4. Step 4: Simplify right side
    119,579.33x = 10,869,593,650.50
  5. Step 5: Solve for x
    x = 10,869,593,650.50/119,579.33
  6. Step 6: Final answer
    x = 90,898.60

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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.