Home / 74,044.40-102,074.99-52,786.76

Finding the Fourth Proportional to 74,044.40, 102,074.99 and 52,786.76

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Solution

The fourth proportional to 74,044.40, 102,074.99 and 52,786.76 is: 72,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,044.40 : 102,074.99 = 52,786.76 : x
  2. Step 2: Convert to fraction form
    74,044.40/102,074.99 = 52,786.76/x
  3. Step 3: Cross multiply
    74,044.40x = 102,074.99 × 52,786.76
  4. Step 4: Simplify right side
    74,044.40x = 5,388,207,224.82
  5. Step 5: Solve for x
    x = 5,388,207,224.82/74,044.40
  6. Step 6: Final answer
    x = 72,769.95

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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.