Home / 74,792.27-103,211.09-40,801.43

Finding the Fourth Proportional to 74,792.27, 103,211.09 and 40,801.43

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Solution

The fourth proportional to 74,792.27, 103,211.09 and 40,801.43 is: 56,304.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,792.27 : 103,211.09 = 40,801.43 : x
  2. Step 2: Convert to fraction form
    74,792.27/103,211.09 = 40,801.43/x
  3. Step 3: Cross multiply
    74,792.27x = 103,211.09 × 40,801.43
  4. Step 4: Simplify right side
    74,792.27x = 4,211,160,270.88
  5. Step 5: Solve for x
    x = 4,211,160,270.88/74,792.27
  6. Step 6: Final answer
    x = 56,304.75

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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.