Home / 74,167.35-102,351.44-40,175.84

Finding the Fourth Proportional to 74,167.35, 102,351.44 and 40,175.84

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Solution

The fourth proportional to 74,167.35, 102,351.44 and 40,175.84 is: 55,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,167.35 : 102,351.44 = 40,175.84 : x
  2. Step 2: Convert to fraction form
    74,167.35/102,351.44 = 40,175.84/x
  3. Step 3: Cross multiply
    74,167.35x = 102,351.44 × 40,175.84
  4. Step 4: Simplify right side
    74,167.35x = 4,112,055,433.53
  5. Step 5: Solve for x
    x = 4,112,055,433.53/74,167.35
  6. Step 6: Final answer
    x = 55,442.93

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1.5x scale

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.