Home / 53,954.10-74,453.18-30,079.35

Finding the Fourth Proportional to 53,954.10, 74,453.18 and 30,079.35

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Solution

The fourth proportional to 53,954.10, 74,453.18 and 30,079.35 is: 41,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,954.10 : 74,453.18 = 30,079.35 : x
  2. Step 2: Convert to fraction form
    53,954.10/74,453.18 = 30,079.35/x
  3. Step 3: Cross multiply
    53,954.10x = 74,453.18 × 30,079.35
  4. Step 4: Simplify right side
    53,954.10x = 2,239,503,109.44
  5. Step 5: Solve for x
    x = 2,239,503,109.44/53,954.10
  6. Step 6: Final answer
    x = 41,507.56

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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.