Home / 126,042.63-173,942.54-69,457.65

Finding the Fourth Proportional to 126,042.63, 173,942.54 and 69,457.65

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Solution

The fourth proportional to 126,042.63, 173,942.54 and 69,457.65 is: 95,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,042.63 : 173,942.54 = 69,457.65 : x
  2. Step 2: Convert to fraction form
    126,042.63/173,942.54 = 69,457.65/x
  3. Step 3: Cross multiply
    126,042.63x = 173,942.54 × 69,457.65
  4. Step 4: Simplify right side
    126,042.63x = 12,081,640,063.43
  5. Step 5: Solve for x
    x = 12,081,640,063.43/126,042.63
  6. Step 6: Final answer
    x = 95,853.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.