Home / 101,947.98-152,921.96-31,833.30

Finding the Fourth Proportional to 101,947.98, 152,921.96 and 31,833.30

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Solution

The fourth proportional to 101,947.98, 152,921.96 and 31,833.30 is: 47,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,947.98 : 152,921.96 = 31,833.30 : x
  2. Step 2: Convert to fraction form
    101,947.98/152,921.96 = 31,833.30/x
  3. Step 3: Cross multiply
    101,947.98x = 152,921.96 × 31,833.30
  4. Step 4: Simplify right side
    101,947.98x = 4,868,010,629.27
  5. Step 5: Solve for x
    x = 4,868,010,629.27/101,947.98
  6. Step 6: Final answer
    x = 47,749.95

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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.