Home / 71,523.06-98,705.19-39,692.22

Finding the Fourth Proportional to 71,523.06, 98,705.19 and 39,692.22

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Solution

The fourth proportional to 71,523.06, 98,705.19 and 39,692.22 is: 54,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,523.06 : 98,705.19 = 39,692.22 : x
  2. Step 2: Convert to fraction form
    71,523.06/98,705.19 = 39,692.22/x
  3. Step 3: Cross multiply
    71,523.06x = 98,705.19 × 39,692.22
  4. Step 4: Simplify right side
    71,523.06x = 3,917,828,116.62
  5. Step 5: Solve for x
    x = 3,917,828,116.62/71,523.06
  6. Step 6: Final answer
    x = 54,777.13

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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.