Home / 121,815.30-182,754.04-50,714.32

Finding the Fourth Proportional to 121,815.30, 182,754.04 and 50,714.32

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Solution

The fourth proportional to 121,815.30, 182,754.04 and 50,714.32 is: 76,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,815.30 : 182,754.04 = 50,714.32 : x
  2. Step 2: Convert to fraction form
    121,815.30/182,754.04 = 50,714.32/x
  3. Step 3: Cross multiply
    121,815.30x = 182,754.04 × 50,714.32
  4. Step 4: Simplify right side
    121,815.30x = 9,268,246,865.85
  5. Step 5: Solve for x
    x = 9,268,246,865.85/121,815.30
  6. Step 6: Final answer
    x = 76,084.42

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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.