Home / 52,644.11-72,648.43-28,770.57

Finding the Fourth Proportional to 52,644.11, 72,648.43 and 28,770.57

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Solution

The fourth proportional to 52,644.11, 72,648.43 and 28,770.57 is: 39,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,644.11 : 72,648.43 = 28,770.57 : x
  2. Step 2: Convert to fraction form
    52,644.11/72,648.43 = 28,770.57/x
  3. Step 3: Cross multiply
    52,644.11x = 72,648.43 × 28,770.57
  4. Step 4: Simplify right side
    52,644.11x = 2,090,136,668.78
  5. Step 5: Solve for x
    x = 2,090,136,668.78/52,644.11
  6. Step 6: Final answer
    x = 39,703.15

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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.