Home / 117,719.60-176,523.84-42,787.04

Finding the Fourth Proportional to 117,719.60, 176,523.84 and 42,787.04

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Solution

The fourth proportional to 117,719.60, 176,523.84 and 42,787.04 is: 64,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,719.60 : 176,523.84 = 42,787.04 : x
  2. Step 2: Convert to fraction form
    117,719.60/176,523.84 = 42,787.04/x
  3. Step 3: Cross multiply
    117,719.60x = 176,523.84 × 42,787.04
  4. Step 4: Simplify right side
    117,719.60x = 7,552,932,603.03
  5. Step 5: Solve for x
    x = 7,552,932,603.03/117,719.60
  6. Step 6: Final answer
    x = 64,160.37

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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.