Home / 117,719.97-176,690.94-42,912.42

Finding the Fourth Proportional to 117,719.97, 176,690.94 and 42,912.42

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Solution

The fourth proportional to 117,719.97, 176,690.94 and 42,912.42 is: 64,409.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,719.97 : 176,690.94 = 42,912.42 : x
  2. Step 2: Convert to fraction form
    117,719.97/176,690.94 = 42,912.42/x
  3. Step 3: Cross multiply
    117,719.97x = 176,690.94 × 42,912.42
  4. Step 4: Simplify right side
    117,719.97x = 7,582,235,827.47
  5. Step 5: Solve for x
    x = 7,582,235,827.47/117,719.97
  6. Step 6: Final answer
    x = 64,409.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.