Home / 112,322.28-168,336.90-45,684.48

Finding the Fourth Proportional to 112,322.28, 168,336.90 and 45,684.48

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Solution

The fourth proportional to 112,322.28, 168,336.90 and 45,684.48 is: 68,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,322.28 : 168,336.90 = 45,684.48 : x
  2. Step 2: Convert to fraction form
    112,322.28/168,336.90 = 45,684.48/x
  3. Step 3: Cross multiply
    112,322.28x = 168,336.90 × 45,684.48
  4. Step 4: Simplify right side
    112,322.28x = 7,690,383,741.31
  5. Step 5: Solve for x
    x = 7,690,383,741.31/112,322.28
  6. Step 6: Final answer
    x = 68,467.13

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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.