Home / 53,781.43-74,212.35-29,906.68

Finding the Fourth Proportional to 53,781.43, 74,212.35 and 29,906.68

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Solution

The fourth proportional to 53,781.43, 74,212.35 and 29,906.68 is: 41,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,781.43 : 74,212.35 = 29,906.68 : x
  2. Step 2: Convert to fraction form
    53,781.43/74,212.35 = 29,906.68/x
  3. Step 3: Cross multiply
    53,781.43x = 74,212.35 × 29,906.68
  4. Step 4: Simplify right side
    53,781.43x = 2,219,445,003.50
  5. Step 5: Solve for x
    x = 2,219,445,003.50/53,781.43
  6. Step 6: Final answer
    x = 41,267.87

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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.