Home / 75,270.36-112,905.56-27,901.72

Finding the Fourth Proportional to 75,270.36, 112,905.56 and 27,901.72

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Solution

The fourth proportional to 75,270.36, 112,905.56 and 27,901.72 is: 41,852.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,270.36 : 112,905.56 = 27,901.72 : x
  2. Step 2: Convert to fraction form
    75,270.36/112,905.56 = 27,901.72/x
  3. Step 3: Cross multiply
    75,270.36x = 112,905.56 × 27,901.72
  4. Step 4: Simplify right side
    75,270.36x = 3,150,259,321.56
  5. Step 5: Solve for x
    x = 3,150,259,321.56/75,270.36
  6. Step 6: Final answer
    x = 41,852.59

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1.5x scale

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.