Home / 82,003.43-123,017.39-25,837.63

Finding the Fourth Proportional to 82,003.43, 123,017.39 and 25,837.63

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Solution

The fourth proportional to 82,003.43, 123,017.39 and 25,837.63 is: 38,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,003.43 : 123,017.39 = 25,837.63 : x
  2. Step 2: Convert to fraction form
    82,003.43/123,017.39 = 25,837.63/x
  3. Step 3: Cross multiply
    82,003.43x = 123,017.39 × 25,837.63
  4. Step 4: Simplify right side
    82,003.43x = 3,178,477,806.39
  5. Step 5: Solve for x
    x = 3,178,477,806.39/82,003.43
  6. Step 6: Final answer
    x = 38,760.30

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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.