Home / 82,452.40-123,696.74-46,930.43

Finding the Fourth Proportional to 82,452.40, 123,696.74 and 46,930.43

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Solution

The fourth proportional to 82,452.40, 123,696.74 and 46,930.43 is: 70,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,452.40 : 123,696.74 = 46,930.43 : x
  2. Step 2: Convert to fraction form
    82,452.40/123,696.74 = 46,930.43/x
  3. Step 3: Cross multiply
    82,452.40x = 123,696.74 × 46,930.43
  4. Step 4: Simplify right side
    82,452.40x = 5,805,141,197.80
  5. Step 5: Solve for x
    x = 5,805,141,197.80/82,452.40
  6. Step 6: Final answer
    x = 70,405.97

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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.