Home / 69,165.18-95,453.04-38,953.80

Finding the Fourth Proportional to 69,165.18, 95,453.04 and 38,953.80

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Solution

The fourth proportional to 69,165.18, 95,453.04 and 38,953.80 is: 53,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,165.18 : 95,453.04 = 38,953.80 : x
  2. Step 2: Convert to fraction form
    69,165.18/95,453.04 = 38,953.80/x
  3. Step 3: Cross multiply
    69,165.18x = 95,453.04 × 38,953.80
  4. Step 4: Simplify right side
    69,165.18x = 3,718,258,629.55
  5. Step 5: Solve for x
    x = 3,718,258,629.55/69,165.18
  6. Step 6: Final answer
    x = 53,759.11

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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.