Home / 79,668.06-119,512.65-42,247.26

Finding the Fourth Proportional to 79,668.06, 119,512.65 and 42,247.26

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Solution

The fourth proportional to 79,668.06, 119,512.65 and 42,247.26 is: 63,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,668.06 : 119,512.65 = 42,247.26 : x
  2. Step 2: Convert to fraction form
    79,668.06/119,512.65 = 42,247.26/x
  3. Step 3: Cross multiply
    79,668.06x = 119,512.65 × 42,247.26
  4. Step 4: Simplify right side
    79,668.06x = 5,049,081,997.84
  5. Step 5: Solve for x
    x = 5,049,081,997.84/79,668.06
  6. Step 6: Final answer
    x = 63,376.49

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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.