Home / 52,244.52-78,366.42-21,079.32

Finding the Fourth Proportional to 52,244.52, 78,366.42 and 21,079.32

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Solution

The fourth proportional to 52,244.52, 78,366.42 and 21,079.32 is: 31,618.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,244.52 : 78,366.42 = 21,079.32 : x
  2. Step 2: Convert to fraction form
    52,244.52/78,366.42 = 21,079.32/x
  3. Step 3: Cross multiply
    52,244.52x = 78,366.42 × 21,079.32
  4. Step 4: Simplify right side
    52,244.52x = 1,651,910,844.43
  5. Step 5: Solve for x
    x = 1,651,910,844.43/52,244.52
  6. Step 6: Final answer
    x = 31,618.83

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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.