Home / 82,450.40-123,693.74-46,928.43

Finding the Fourth Proportional to 82,450.40, 123,693.74 and 46,928.43

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Solution

The fourth proportional to 82,450.40, 123,693.74 and 46,928.43 is: 70,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,450.40 : 123,693.74 = 46,928.43 : x
  2. Step 2: Convert to fraction form
    82,450.40/123,693.74 = 46,928.43/x
  3. Step 3: Cross multiply
    82,450.40x = 123,693.74 × 46,928.43
  4. Step 4: Simplify right side
    82,450.40x = 5,804,752,496.52
  5. Step 5: Solve for x
    x = 5,804,752,496.52/82,450.40
  6. Step 6: Final answer
    x = 70,402.97

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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.