Home / 69,731.67-96,226.54-39,515.23

Finding the Fourth Proportional to 69,731.67, 96,226.54 and 39,515.23

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Solution

The fourth proportional to 69,731.67, 96,226.54 and 39,515.23 is: 54,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,731.67 : 96,226.54 = 39,515.23 : x
  2. Step 2: Convert to fraction form
    69,731.67/96,226.54 = 39,515.23/x
  3. Step 3: Cross multiply
    69,731.67x = 96,226.54 × 39,515.23
  4. Step 4: Simplify right side
    69,731.67x = 3,802,413,860.20
  5. Step 5: Solve for x
    x = 3,802,413,860.20/69,731.67
  6. Step 6: Final answer
    x = 54,529.22

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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.