Home / 104,077.82-143,630.02-63,813.79

Finding the Fourth Proportional to 104,077.82, 143,630.02 and 63,813.79

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Solution

The fourth proportional to 104,077.82, 143,630.02 and 63,813.79 is: 88,064.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,077.82 : 143,630.02 = 63,813.79 : x
  2. Step 2: Convert to fraction form
    104,077.82/143,630.02 = 63,813.79/x
  3. Step 3: Cross multiply
    104,077.82x = 143,630.02 × 63,813.79
  4. Step 4: Simplify right side
    104,077.82x = 9,165,575,435.25
  5. Step 5: Solve for x
    x = 9,165,575,435.25/104,077.82
  6. Step 6: Final answer
    x = 88,064.63

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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.