Home / 123,425.36-185,109.18-34,687.40

Finding the Fourth Proportional to 123,425.36, 185,109.18 and 34,687.40

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Solution

The fourth proportional to 123,425.36, 185,109.18 and 34,687.40 is: 52,022.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,425.36 : 185,109.18 = 34,687.40 : x
  2. Step 2: Convert to fraction form
    123,425.36/185,109.18 = 34,687.40/x
  3. Step 3: Cross multiply
    123,425.36x = 185,109.18 × 34,687.40
  4. Step 4: Simplify right side
    123,425.36x = 6,420,956,170.33
  5. Step 5: Solve for x
    x = 6,420,956,170.33/123,425.36
  6. Step 6: Final answer
    x = 52,022.99

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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.