Home / 123,704.40-185,556.60-57,124.83

Finding the Fourth Proportional to 123,704.40, 185,556.60 and 57,124.83

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Solution

The fourth proportional to 123,704.40, 185,556.60 and 57,124.83 is: 85,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,704.40 : 185,556.60 = 57,124.83 : x
  2. Step 2: Convert to fraction form
    123,704.40/185,556.60 = 57,124.83/x
  3. Step 3: Cross multiply
    123,704.40x = 185,556.60 × 57,124.83
  4. Step 4: Simplify right side
    123,704.40x = 10,599,889,230.38
  5. Step 5: Solve for x
    x = 10,599,889,230.38/123,704.40
  6. Step 6: Final answer
    x = 85,687.25

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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.