Home / 69,786.08-96,306.94-39,572.64

Finding the Fourth Proportional to 69,786.08, 96,306.94 and 39,572.64

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Solution

The fourth proportional to 69,786.08, 96,306.94 and 39,572.64 is: 54,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,786.08 : 96,306.94 = 39,572.64 : x
  2. Step 2: Convert to fraction form
    69,786.08/96,306.94 = 39,572.64/x
  3. Step 3: Cross multiply
    69,786.08x = 96,306.94 × 39,572.64
  4. Step 4: Simplify right side
    69,786.08x = 3,811,119,866.12
  5. Step 5: Solve for x
    x = 3,811,119,866.12/69,786.08
  6. Step 6: Final answer
    x = 54,611.46

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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.