Home / 69,144.00-95,420.50-38,930.38

Finding the Fourth Proportional to 69,144.00, 95,420.50 and 38,930.38

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Solution

The fourth proportional to 69,144.00, 95,420.50 and 38,930.38 is: 53,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,144.00 : 95,420.50 = 38,930.38 : x
  2. Step 2: Convert to fraction form
    69,144.00/95,420.50 = 38,930.38/x
  3. Step 3: Cross multiply
    69,144.00x = 95,420.50 × 38,930.38
  4. Step 4: Simplify right side
    69,144.00x = 3,714,756,741.96
  5. Step 5: Solve for x
    x = 3,714,756,741.96/69,144.00
  6. Step 6: Final answer
    x = 53,724.93

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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.