Home / 69,791.06-96,309.60-39,579.14

Finding the Fourth Proportional to 69,791.06, 96,309.60 and 39,579.14

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Solution

The fourth proportional to 69,791.06, 96,309.60 and 39,579.14 is: 54,618.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,791.06 : 96,309.60 = 39,579.14 : x
  2. Step 2: Convert to fraction form
    69,791.06/96,309.60 = 39,579.14/x
  3. Step 3: Cross multiply
    69,791.06x = 96,309.60 × 39,579.14
  4. Step 4: Simplify right side
    69,791.06x = 3,811,851,141.74
  5. Step 5: Solve for x
    x = 3,811,851,141.74/69,791.06
  6. Step 6: Final answer
    x = 54,618.04

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1.5x scale

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.