Home / 80,208.08-110,687.40-43,414.28

Finding the Fourth Proportional to 80,208.08, 110,687.40 and 43,414.28

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Solution

The fourth proportional to 80,208.08, 110,687.40 and 43,414.28 is: 59,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,208.08 : 110,687.40 = 43,414.28 : x
  2. Step 2: Convert to fraction form
    80,208.08/110,687.40 = 43,414.28/x
  3. Step 3: Cross multiply
    80,208.08x = 110,687.40 × 43,414.28
  4. Step 4: Simplify right side
    80,208.08x = 4,805,413,776.07
  5. Step 5: Solve for x
    x = 4,805,413,776.07/80,208.08
  6. Step 6: Final answer
    x = 59,911.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.