Home / 104,086.56-156,137.74-40,876.19

Finding the Fourth Proportional to 104,086.56, 156,137.74 and 40,876.19

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Solution

The fourth proportional to 104,086.56, 156,137.74 and 40,876.19 is: 61,317.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,086.56 : 156,137.74 = 40,876.19 : x
  2. Step 2: Convert to fraction form
    104,086.56/156,137.74 = 40,876.19/x
  3. Step 3: Cross multiply
    104,086.56x = 156,137.74 × 40,876.19
  4. Step 4: Simplify right side
    104,086.56x = 6,382,315,043.53
  5. Step 5: Solve for x
    x = 6,382,315,043.53/104,086.56
  6. Step 6: Final answer
    x = 61,317.38

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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.