Home / 52,145.52-78,223.77-17,087.91

Finding the Fourth Proportional to 52,145.52, 78,223.77 and 17,087.91

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Solution

The fourth proportional to 52,145.52, 78,223.77 and 17,087.91 is: 25,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145.52 : 78,223.77 = 17,087.91 : x
  2. Step 2: Convert to fraction form
    52,145.52/78,223.77 = 17,087.91/x
  3. Step 3: Cross multiply
    52,145.52x = 78,223.77 × 17,087.91
  4. Step 4: Simplify right side
    52,145.52x = 1,336,680,741.62
  5. Step 5: Solve for x
    x = 1,336,680,741.62/52,145.52
  6. Step 6: Final answer
    x = 25,633.66

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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.