Home / 49,744.12-68,642.70-28,518.52

Finding the Fourth Proportional to 49,744.12, 68,642.70 and 28,518.52

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Solution

The fourth proportional to 49,744.12, 68,642.70 and 28,518.52 is: 39,353.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,744.12 : 68,642.70 = 28,518.52 : x
  2. Step 2: Convert to fraction form
    49,744.12/68,642.70 = 28,518.52/x
  3. Step 3: Cross multiply
    49,744.12x = 68,642.70 × 28,518.52
  4. Step 4: Simplify right side
    49,744.12x = 1,957,588,212.80
  5. Step 5: Solve for x
    x = 1,957,588,212.80/49,744.12
  6. Step 6: Final answer
    x = 39,353.16

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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.