Home / 112,525.36-168,871.10-53,361.22

Finding the Fourth Proportional to 112,525.36, 168,871.10 and 53,361.22

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Solution

The fourth proportional to 112,525.36, 168,871.10 and 53,361.22 is: 80,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,525.36 : 168,871.10 = 53,361.22 : x
  2. Step 2: Convert to fraction form
    112,525.36/168,871.10 = 53,361.22/x
  3. Step 3: Cross multiply
    112,525.36x = 168,871.10 × 53,361.22
  4. Step 4: Simplify right side
    112,525.36x = 9,011,167,918.74
  5. Step 5: Solve for x
    x = 9,011,167,918.74/112,525.36
  6. Step 6: Final answer
    x = 80,081.22

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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.