Home / 69,099.97-95,359.80-38,886.37

Finding the Fourth Proportional to 69,099.97, 95,359.80 and 38,886.37

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Solution

The fourth proportional to 69,099.97, 95,359.80 and 38,886.37 is: 53,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,099.97 : 95,359.80 = 38,886.37 : x
  2. Step 2: Convert to fraction form
    69,099.97/95,359.80 = 38,886.37/x
  3. Step 3: Cross multiply
    69,099.97x = 95,359.80 × 38,886.37
  4. Step 4: Simplify right side
    69,099.97x = 3,708,196,465.93
  5. Step 5: Solve for x
    x = 3,708,196,465.93/69,099.97
  6. Step 6: Final answer
    x = 53,664.23

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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.