Home / 80,055.64-119,951.92-27,436.40

Finding the Fourth Proportional to 80,055.64, 119,951.92 and 27,436.40

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Solution

The fourth proportional to 80,055.64, 119,951.92 and 27,436.40 is: 41,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,055.64 : 119,951.92 = 27,436.40 : x
  2. Step 2: Convert to fraction form
    80,055.64/119,951.92 = 27,436.40/x
  3. Step 3: Cross multiply
    80,055.64x = 119,951.92 × 27,436.40
  4. Step 4: Simplify right side
    80,055.64x = 3,291,048,857.89
  5. Step 5: Solve for x
    x = 3,291,048,857.89/80,055.64
  6. Step 6: Final answer
    x = 41,109.52

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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.