Home / 57,086.32-78,805.56-33,204.28

Finding the Fourth Proportional to 57,086.32, 78,805.56 and 33,204.28

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Solution

The fourth proportional to 57,086.32, 78,805.56 and 33,204.28 is: 45,837.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,086.32 : 78,805.56 = 33,204.28 : x
  2. Step 2: Convert to fraction form
    57,086.32/78,805.56 = 33,204.28/x
  3. Step 3: Cross multiply
    57,086.32x = 78,805.56 × 33,204.28
  4. Step 4: Simplify right side
    57,086.32x = 2,616,681,879.80
  5. Step 5: Solve for x
    x = 2,616,681,879.80/57,086.32
  6. Step 6: Final answer
    x = 45,837.28

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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.