Home / 123,684.47-185,517.39-39,441.23

Finding the Fourth Proportional to 123,684.47, 185,517.39 and 39,441.23

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Solution

The fourth proportional to 123,684.47, 185,517.39 and 39,441.23 is: 59,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,684.47 : 185,517.39 = 39,441.23 : x
  2. Step 2: Convert to fraction form
    123,684.47/185,517.39 = 39,441.23/x
  3. Step 3: Cross multiply
    123,684.47x = 185,517.39 × 39,441.23
  4. Step 4: Simplify right side
    123,684.47x = 7,317,033,742.14
  5. Step 5: Solve for x
    x = 7,317,033,742.14/123,684.47
  6. Step 6: Final answer
    x = 59,158.87

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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.