Home / 106,040.82-159,022.26-31,141.74

Finding the Fourth Proportional to 106,040.82, 159,022.26 and 31,141.74

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Solution

The fourth proportional to 106,040.82, 159,022.26 and 31,141.74 is: 46,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,040.82 : 159,022.26 = 31,141.74 : x
  2. Step 2: Convert to fraction form
    106,040.82/159,022.26 = 31,141.74/x
  3. Step 3: Cross multiply
    106,040.82x = 159,022.26 × 31,141.74
  4. Step 4: Simplify right side
    106,040.82x = 4,952,229,875.13
  5. Step 5: Solve for x
    x = 4,952,229,875.13/106,040.82
  6. Step 6: Final answer
    x = 46,701.17

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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.