Home / 106,240.80-159,324.48-47,117.82

Finding the Fourth Proportional to 106,240.80, 159,324.48 and 47,117.82

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Solution

The fourth proportional to 106,240.80, 159,324.48 and 47,117.82 is: 70,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,240.80 : 159,324.48 = 47,117.82 : x
  2. Step 2: Convert to fraction form
    106,240.80/159,324.48 = 47,117.82/x
  3. Step 3: Cross multiply
    106,240.80x = 159,324.48 × 47,117.82
  4. Step 4: Simplify right side
    106,240.80x = 7,507,022,170.23
  5. Step 5: Solve for x
    x = 7,507,022,170.23/106,240.80
  6. Step 6: Final answer
    x = 70,660.44

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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.