Home / 74,839.28-103,278.26-55,735.48

Finding the Fourth Proportional to 74,839.28, 103,278.26 and 55,735.48

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Solution

The fourth proportional to 74,839.28, 103,278.26 and 55,735.48 is: 76,915.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,839.28 : 103,278.26 = 55,735.48 : x
  2. Step 2: Convert to fraction form
    74,839.28/103,278.26 = 55,735.48/x
  3. Step 3: Cross multiply
    74,839.28x = 103,278.26 × 55,735.48
  4. Step 4: Simplify right side
    74,839.28x = 5,756,263,394.66
  5. Step 5: Solve for x
    x = 5,756,263,394.66/74,839.28
  6. Step 6: Final answer
    x = 76,915.00

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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.