Home / 83,720.30-125,623.49-46,273.38

Finding the Fourth Proportional to 83,720.30, 125,623.49 and 46,273.38

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Solution

The fourth proportional to 83,720.30, 125,623.49 and 46,273.38 is: 69,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,720.30 : 125,623.49 = 46,273.38 : x
  2. Step 2: Convert to fraction form
    83,720.30/125,623.49 = 46,273.38/x
  3. Step 3: Cross multiply
    83,720.30x = 125,623.49 × 46,273.38
  4. Step 4: Simplify right side
    83,720.30x = 5,813,023,258.33
  5. Step 5: Solve for x
    x = 5,813,023,258.33/83,720.30
  6. Step 6: Final answer
    x = 69,433.86

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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.