Home / 69,150.87-95,427.15-38,936.10

Finding the Fourth Proportional to 69,150.87, 95,427.15 and 38,936.10

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Solution

The fourth proportional to 69,150.87, 95,427.15 and 38,936.10 is: 53,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,150.87 : 95,427.15 = 38,936.10 : x
  2. Step 2: Convert to fraction form
    69,150.87/95,427.15 = 38,936.10/x
  3. Step 3: Cross multiply
    69,150.87x = 95,427.15 × 38,936.10
  4. Step 4: Simplify right side
    69,150.87x = 3,715,561,055.12
  5. Step 5: Solve for x
    x = 3,715,561,055.12/69,150.87
  6. Step 6: Final answer
    x = 53,731.23

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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.