Home / 75,375.36-104,019.30-41,385.28

Finding the Fourth Proportional to 75,375.36, 104,019.30 and 41,385.28

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Solution

The fourth proportional to 75,375.36, 104,019.30 and 41,385.28 is: 57,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,375.36 : 104,019.30 = 41,385.28 : x
  2. Step 2: Convert to fraction form
    75,375.36/104,019.30 = 41,385.28/x
  3. Step 3: Cross multiply
    75,375.36x = 104,019.30 × 41,385.28
  4. Step 4: Simplify right side
    75,375.36x = 4,304,867,674.50
  5. Step 5: Solve for x
    x = 4,304,867,674.50/75,375.36
  6. Step 6: Final answer
    x = 57,112.40

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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.