Home / 51,853.52-77,763.96-16,785.04

Finding the Fourth Proportional to 51,853.52, 77,763.96 and 16,785.04

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Solution

The fourth proportional to 51,853.52, 77,763.96 and 16,785.04 is: 25,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,853.52 : 77,763.96 = 16,785.04 : x
  2. Step 2: Convert to fraction form
    51,853.52/77,763.96 = 16,785.04/x
  3. Step 3: Cross multiply
    51,853.52x = 77,763.96 × 16,785.04
  4. Step 4: Simplify right side
    51,853.52x = 1,305,271,179.16
  5. Step 5: Solve for x
    x = 1,305,271,179.16/51,853.52
  6. Step 6: Final answer
    x = 25,172.28

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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.