Home / 101,205.56-151,775.94-47,890.28

Finding the Fourth Proportional to 101,205.56, 151,775.94 and 47,890.28

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Solution

The fourth proportional to 101,205.56, 151,775.94 and 47,890.28 is: 71,820.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,205.56 : 151,775.94 = 47,890.28 : x
  2. Step 2: Convert to fraction form
    101,205.56/151,775.94 = 47,890.28/x
  3. Step 3: Cross multiply
    101,205.56x = 151,775.94 × 47,890.28
  4. Step 4: Simplify right side
    101,205.56x = 7,268,592,263.86
  5. Step 5: Solve for x
    x = 7,268,592,263.86/101,205.56
  6. Step 6: Final answer
    x = 71,820.09

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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.