Home / 68,786.94-94,929.93-38,581.95

Finding the Fourth Proportional to 68,786.94, 94,929.93 and 38,581.95

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Solution

The fourth proportional to 68,786.94, 94,929.93 and 38,581.95 is: 53,245.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,786.94 : 94,929.93 = 38,581.95 : x
  2. Step 2: Convert to fraction form
    68,786.94/94,929.93 = 38,581.95/x
  3. Step 3: Cross multiply
    68,786.94x = 94,929.93 × 38,581.95
  4. Step 4: Simplify right side
    68,786.94x = 3,662,581,812.76
  5. Step 5: Solve for x
    x = 3,662,581,812.76/68,786.94
  6. Step 6: Final answer
    x = 53,245.31

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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.