Home / 68,102.05-93,983.88-56,752.56

Finding the Fourth Proportional to 68,102.05, 93,983.88 and 56,752.56

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Solution

The fourth proportional to 68,102.05, 93,983.88 and 56,752.56 is: 78,321.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,102.05 : 93,983.88 = 56,752.56 : x
  2. Step 2: Convert to fraction form
    68,102.05/93,983.88 = 56,752.56/x
  3. Step 3: Cross multiply
    68,102.05x = 93,983.88 × 56,752.56
  4. Step 4: Simplify right side
    68,102.05x = 5,333,825,788.73
  5. Step 5: Solve for x
    x = 5,333,825,788.73/68,102.05
  6. Step 6: Final answer
    x = 78,321.08

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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.