Home / 104,442.77-144,131.21-56,696.15

Finding the Fourth Proportional to 104,442.77, 144,131.21 and 56,696.15

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Solution

The fourth proportional to 104,442.77, 144,131.21 and 56,696.15 is: 78,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,442.77 : 144,131.21 = 56,696.15 : x
  2. Step 2: Convert to fraction form
    104,442.77/144,131.21 = 56,696.15/x
  3. Step 3: Cross multiply
    104,442.77x = 144,131.21 × 56,696.15
  4. Step 4: Simplify right side
    104,442.77x = 8,171,684,991.30
  5. Step 5: Solve for x
    x = 8,171,684,991.30/104,442.77
  6. Step 6: Final answer
    x = 78,240.79

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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.