Home / 49,867.70-68,820.05-28,648.33

Finding the Fourth Proportional to 49,867.70, 68,820.05 and 28,648.33

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Solution

The fourth proportional to 49,867.70, 68,820.05 and 28,648.33 is: 39,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,867.70 : 68,820.05 = 28,648.33 : x
  2. Step 2: Convert to fraction form
    49,867.70/68,820.05 = 28,648.33/x
  3. Step 3: Cross multiply
    49,867.70x = 68,820.05 × 28,648.33
  4. Step 4: Simplify right side
    49,867.70x = 1,971,579,402.59
  5. Step 5: Solve for x
    x = 1,971,579,402.59/49,867.70
  6. Step 6: Final answer
    x = 39,536.20

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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.