Home / 104,335.65-143,823.99-63,974.58

Finding the Fourth Proportional to 104,335.65, 143,823.99 and 63,974.58

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Solution

The fourth proportional to 104,335.65, 143,823.99 and 63,974.58 is: 88,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,335.65 : 143,823.99 = 63,974.58 : x
  2. Step 2: Convert to fraction form
    104,335.65/143,823.99 = 63,974.58/x
  3. Step 3: Cross multiply
    104,335.65x = 143,823.99 × 63,974.58
  4. Step 4: Simplify right side
    104,335.65x = 9,201,079,354.17
  5. Step 5: Solve for x
    x = 9,201,079,354.17/104,335.65
  6. Step 6: Final answer
    x = 88,187.30

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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.