Home / 117,680.60-162,440.87-69,933.38

Finding the Fourth Proportional to 117,680.60, 162,440.87 and 69,933.38

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Solution

The fourth proportional to 117,680.60, 162,440.87 and 69,933.38 is: 96,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,680.60 : 162,440.87 = 69,933.38 : x
  2. Step 2: Convert to fraction form
    117,680.60/162,440.87 = 69,933.38/x
  3. Step 3: Cross multiply
    117,680.60x = 162,440.87 × 69,933.38
  4. Step 4: Simplify right side
    117,680.60x = 11,360,038,124.06
  5. Step 5: Solve for x
    x = 11,360,038,124.06/117,680.60
  6. Step 6: Final answer
    x = 96,532.81

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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.