Home / 83,720.52-125,623.88-46,273.64

Finding the Fourth Proportional to 83,720.52, 125,623.88 and 46,273.64

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Solution

The fourth proportional to 83,720.52, 125,623.88 and 46,273.64 is: 69,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,720.52 : 125,623.88 = 46,273.64 : x
  2. Step 2: Convert to fraction form
    83,720.52/125,623.88 = 46,273.64/x
  3. Step 3: Cross multiply
    83,720.52x = 125,623.88 × 46,273.64
  4. Step 4: Simplify right side
    83,720.52x = 5,813,074,198.52
  5. Step 5: Solve for x
    x = 5,813,074,198.52/83,720.52
  6. Step 6: Final answer
    x = 69,434.28

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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.