Home / 117,416.52-162,034.78-67,116.60

Finding the Fourth Proportional to 117,416.52, 162,034.78 and 67,116.60

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Solution

The fourth proportional to 117,416.52, 162,034.78 and 67,116.60 is: 92,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,416.52 : 162,034.78 = 67,116.60 : x
  2. Step 2: Convert to fraction form
    117,416.52/162,034.78 = 67,116.60/x
  3. Step 3: Cross multiply
    117,416.52x = 162,034.78 × 67,116.60
  4. Step 4: Simplify right side
    117,416.52x = 10,875,223,515.35
  5. Step 5: Solve for x
    x = 10,875,223,515.35/117,416.52
  6. Step 6: Final answer
    x = 92,620.90

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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.