Home / 106,261.20-159,354.58-31,361.51

Finding the Fourth Proportional to 106,261.20, 159,354.58 and 31,361.51

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Solution

The fourth proportional to 106,261.20, 159,354.58 and 31,361.51 is: 47,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,261.20 : 159,354.58 = 31,361.51 : x
  2. Step 2: Convert to fraction form
    106,261.20/159,354.58 = 31,361.51/x
  3. Step 3: Cross multiply
    106,261.20x = 159,354.58 × 31,361.51
  4. Step 4: Simplify right side
    106,261.20x = 4,997,599,457.44
  5. Step 5: Solve for x
    x = 4,997,599,457.44/106,261.20
  6. Step 6: Final answer
    x = 47,031.27

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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.