Home / 69,724.01-96,217.13-39,519.09

Finding the Fourth Proportional to 69,724.01, 96,217.13 and 39,519.09

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Solution

The fourth proportional to 69,724.01, 96,217.13 and 39,519.09 is: 54,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,724.01 : 96,217.13 = 39,519.09 : x
  2. Step 2: Convert to fraction form
    69,724.01/96,217.13 = 39,519.09/x
  3. Step 3: Cross multiply
    69,724.01x = 96,217.13 × 39,519.09
  4. Step 4: Simplify right side
    69,724.01x = 3,802,413,518.81
  5. Step 5: Solve for x
    x = 3,802,413,518.81/69,724.01
  6. Step 6: Final answer
    x = 54,535.21

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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.