Home / 69,405.62-95,775.86-39,197.07

Finding the Fourth Proportional to 69,405.62, 95,775.86 and 39,197.07

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Solution

The fourth proportional to 69,405.62, 95,775.86 and 39,197.07 is: 54,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,405.62 : 95,775.86 = 39,197.07 : x
  2. Step 2: Convert to fraction form
    69,405.62/95,775.86 = 39,197.07/x
  3. Step 3: Cross multiply
    69,405.62x = 95,775.86 × 39,197.07
  4. Step 4: Simplify right side
    69,405.62x = 3,754,132,892.74
  5. Step 5: Solve for x
    x = 3,754,132,892.74/69,405.62
  6. Step 6: Final answer
    x = 54,089.76

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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.