Home / 62,611.47-86,412.69-38,745.83

Finding the Fourth Proportional to 62,611.47, 86,412.69 and 38,745.83

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Solution

The fourth proportional to 62,611.47, 86,412.69 and 38,745.83 is: 53,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,611.47 : 86,412.69 = 38,745.83 : x
  2. Step 2: Convert to fraction form
    62,611.47/86,412.69 = 38,745.83/x
  3. Step 3: Cross multiply
    62,611.47x = 86,412.69 × 38,745.83
  4. Step 4: Simplify right side
    62,611.47x = 3,348,131,396.58
  5. Step 5: Solve for x
    x = 3,348,131,396.58/62,611.47
  6. Step 6: Final answer
    x = 53,474.73

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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.