Home / 52,658.44-72,669.94-28,786.12

Finding the Fourth Proportional to 52,658.44, 72,669.94 and 28,786.12

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Solution

The fourth proportional to 52,658.44, 72,669.94 and 28,786.12 is: 39,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,658.44 : 72,669.94 = 28,786.12 : x
  2. Step 2: Convert to fraction form
    52,658.44/72,669.94 = 28,786.12/x
  3. Step 3: Cross multiply
    52,658.44x = 72,669.94 × 28,786.12
  4. Step 4: Simplify right side
    52,658.44x = 2,091,885,613.23
  5. Step 5: Solve for x
    x = 2,091,885,613.23/52,658.44
  6. Step 6: Final answer
    x = 39,725.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.