Home / 123,742.98-170,757.18-70,033.50

Finding the Fourth Proportional to 123,742.98, 170,757.18 and 70,033.50

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Solution

The fourth proportional to 123,742.98, 170,757.18 and 70,033.50 is: 96,641.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,742.98 : 170,757.18 = 70,033.50 : x
  2. Step 2: Convert to fraction form
    123,742.98/170,757.18 = 70,033.50/x
  3. Step 3: Cross multiply
    123,742.98x = 170,757.18 × 70,033.50
  4. Step 4: Simplify right side
    123,742.98x = 11,958,722,965.53
  5. Step 5: Solve for x
    x = 11,958,722,965.53/123,742.98
  6. Step 6: Final answer
    x = 96,641.63

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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.