Home / 50,110.11-74,991.12-31,126.95

Finding the Fourth Proportional to 50,110.11, 74,991.12 and 31,126.95

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Solution

The fourth proportional to 50,110.11, 74,991.12 and 31,126.95 is: 46,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,110.11 : 74,991.12 = 31,126.95 : x
  2. Step 2: Convert to fraction form
    50,110.11/74,991.12 = 31,126.95/x
  3. Step 3: Cross multiply
    50,110.11x = 74,991.12 × 31,126.95
  4. Step 4: Simplify right side
    50,110.11x = 2,334,244,725.96
  5. Step 5: Solve for x
    x = 2,334,244,725.96/50,110.11
  6. Step 6: Final answer
    x = 46,582.31

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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.