Home / 117,742.68-162,491.97-69,376.83

Finding the Fourth Proportional to 117,742.68, 162,491.97 and 69,376.83

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Solution

The fourth proportional to 117,742.68, 162,491.97 and 69,376.83 is: 95,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,742.68 : 162,491.97 = 69,376.83 : x
  2. Step 2: Convert to fraction form
    117,742.68/162,491.97 = 69,376.83/x
  3. Step 3: Cross multiply
    117,742.68x = 162,491.97 × 69,376.83
  4. Step 4: Simplify right side
    117,742.68x = 11,273,177,779.06
  5. Step 5: Solve for x
    x = 11,273,177,779.06/117,742.68
  6. Step 6: Final answer
    x = 95,744.20

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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.