Home / 117,845.60-176,799.84-42,972.56

Finding the Fourth Proportional to 117,845.60, 176,799.84 and 42,972.56

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Solution

The fourth proportional to 117,845.60, 176,799.84 and 42,972.56 is: 64,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,845.60 : 176,799.84 = 42,972.56 : x
  2. Step 2: Convert to fraction form
    117,845.60/176,799.84 = 42,972.56/x
  3. Step 3: Cross multiply
    117,845.60x = 176,799.84 × 42,972.56
  4. Step 4: Simplify right side
    117,845.60x = 7,597,541,732.39
  5. Step 5: Solve for x
    x = 7,597,541,732.39/117,845.60
  6. Step 6: Final answer
    x = 64,470.30

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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.