Home / 106,409.51-159,615.84-31,537.25

Finding the Fourth Proportional to 106,409.51, 159,615.84 and 31,537.25

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Solution

The fourth proportional to 106,409.51, 159,615.84 and 31,537.25 is: 47,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,409.51 : 159,615.84 = 31,537.25 : x
  2. Step 2: Convert to fraction form
    106,409.51/159,615.84 = 31,537.25/x
  3. Step 3: Cross multiply
    106,409.51x = 159,615.84 × 31,537.25
  4. Step 4: Simplify right side
    106,409.51x = 5,033,843,851.96
  5. Step 5: Solve for x
    x = 5,033,843,851.96/106,409.51
  6. Step 6: Final answer
    x = 47,306.34

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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.