Home / 53,722.28-74,076.96-36,729.28

Finding the Fourth Proportional to 53,722.28, 74,076.96 and 36,729.28

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Solution

The fourth proportional to 53,722.28, 74,076.96 and 36,729.28 is: 50,645.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,722.28 : 74,076.96 = 36,729.28 : x
  2. Step 2: Convert to fraction form
    53,722.28/74,076.96 = 36,729.28/x
  3. Step 3: Cross multiply
    53,722.28x = 74,076.96 × 36,729.28
  4. Step 4: Simplify right side
    53,722.28x = 2,720,793,405.39
  5. Step 5: Solve for x
    x = 2,720,793,405.39/53,722.28
  6. Step 6: Final answer
    x = 50,645.53

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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.