Home / 112,525.45-168,871.13-53,361.29

Finding the Fourth Proportional to 112,525.45, 168,871.13 and 53,361.29

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Solution

The fourth proportional to 112,525.45, 168,871.13 and 53,361.29 is: 80,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,525.45 : 168,871.13 = 53,361.29 : x
  2. Step 2: Convert to fraction form
    112,525.45/168,871.13 = 53,361.29/x
  3. Step 3: Cross multiply
    112,525.45x = 168,871.13 × 53,361.29
  4. Step 4: Simplify right side
    112,525.45x = 9,011,181,340.56
  5. Step 5: Solve for x
    x = 9,011,181,340.56/112,525.45
  6. Step 6: Final answer
    x = 80,081.27

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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.