Home / 112,339.43-168,561.25-49,151.23

Finding the Fourth Proportional to 112,339.43, 168,561.25 and 49,151.23

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Solution

The fourth proportional to 112,339.43, 168,561.25 and 49,151.23 is: 73,749.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,339.43 : 168,561.25 = 49,151.23 : x
  2. Step 2: Convert to fraction form
    112,339.43/168,561.25 = 49,151.23/x
  3. Step 3: Cross multiply
    112,339.43x = 168,561.25 × 49,151.23
  4. Step 4: Simplify right side
    112,339.43x = 8,284,992,767.84
  5. Step 5: Solve for x
    x = 8,284,992,767.84/112,339.43
  6. Step 6: Final answer
    x = 73,749.64

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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.