Home / 104,511.14-144,204.20-63,647.88

Finding the Fourth Proportional to 104,511.14, 144,204.20 and 63,647.88

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Solution

The fourth proportional to 104,511.14, 144,204.20 and 63,647.88 is: 87,821.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,511.14 : 144,204.20 = 63,647.88 : x
  2. Step 2: Convert to fraction form
    104,511.14/144,204.20 = 63,647.88/x
  3. Step 3: Cross multiply
    104,511.14x = 144,204.20 × 63,647.88
  4. Step 4: Simplify right side
    104,511.14x = 9,178,291,055.19
  5. Step 5: Solve for x
    x = 9,178,291,055.19/104,511.14
  6. Step 6: Final answer
    x = 87,821.18

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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.