Home / 77,605.09-116,383.02-33,219.92

Finding the Fourth Proportional to 77,605.09, 116,383.02 and 33,219.92

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Solution

The fourth proportional to 77,605.09, 116,383.02 and 33,219.92 is: 49,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,605.09 : 116,383.02 = 33,219.92 : x
  2. Step 2: Convert to fraction form
    77,605.09/116,383.02 = 33,219.92/x
  3. Step 3: Cross multiply
    77,605.09x = 116,383.02 × 33,219.92
  4. Step 4: Simplify right side
    77,605.09x = 3,866,234,613.76
  5. Step 5: Solve for x
    x = 3,866,234,613.76/77,605.09
  6. Step 6: Final answer
    x = 49,819.34

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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.