Home / 100,255.01-138,338.73-59,954.04

Finding the Fourth Proportional to 100,255.01, 138,338.73 and 59,954.04

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Solution

The fourth proportional to 100,255.01, 138,338.73 and 59,954.04 is: 82,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,255.01 : 138,338.73 = 59,954.04 : x
  2. Step 2: Convert to fraction form
    100,255.01/138,338.73 = 59,954.04/x
  3. Step 3: Cross multiply
    100,255.01x = 138,338.73 × 59,954.04
  4. Step 4: Simplify right side
    100,255.01x = 8,293,965,751.97
  5. Step 5: Solve for x
    x = 8,293,965,751.97/100,255.01
  6. Step 6: Final answer
    x = 82,728.70

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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.