Home / 69,775.12-104,662.70-17,184.59

Finding the Fourth Proportional to 69,775.12, 104,662.70 and 17,184.59

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Solution

The fourth proportional to 69,775.12, 104,662.70 and 17,184.59 is: 25,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,775.12 : 104,662.70 = 17,184.59 : x
  2. Step 2: Convert to fraction form
    69,775.12/104,662.70 = 17,184.59/x
  3. Step 3: Cross multiply
    69,775.12x = 104,662.70 × 17,184.59
  4. Step 4: Simplify right side
    69,775.12x = 1,798,585,435.48
  5. Step 5: Solve for x
    x = 1,798,585,435.48/69,775.12
  6. Step 6: Final answer
    x = 25,776.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.