Home / 74,839.71-112,274.36-27,455.25

Finding the Fourth Proportional to 74,839.71, 112,274.36 and 27,455.25

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Solution

The fourth proportional to 74,839.71, 112,274.36 and 27,455.25 is: 41,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,839.71 : 112,274.36 = 27,455.25 : x
  2. Step 2: Convert to fraction form
    74,839.71/112,274.36 = 27,455.25/x
  3. Step 3: Cross multiply
    74,839.71x = 112,274.36 × 27,455.25
  4. Step 4: Simplify right side
    74,839.71x = 3,082,520,485.11
  5. Step 5: Solve for x
    x = 3,082,520,485.11/74,839.71
  6. Step 6: Final answer
    x = 41,188.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.