Home / 104,069.35-143,628.42-63,788.86

Finding the Fourth Proportional to 104,069.35, 143,628.42 and 63,788.86

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Solution

The fourth proportional to 104,069.35, 143,628.42 and 63,788.86 is: 88,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,069.35 : 143,628.42 = 63,788.86 : x
  2. Step 2: Convert to fraction form
    104,069.35/143,628.42 = 63,788.86/x
  3. Step 3: Cross multiply
    104,069.35x = 143,628.42 × 63,788.86
  4. Step 4: Simplify right side
    104,069.35x = 9,161,893,175.40
  5. Step 5: Solve for x
    x = 9,161,893,175.40/104,069.35
  6. Step 6: Final answer
    x = 88,036.42

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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.