Home / 68,386.19-94,388.69-40,100.99

Finding the Fourth Proportional to 68,386.19, 94,388.69 and 40,100.99

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Solution

The fourth proportional to 68,386.19, 94,388.69 and 40,100.99 is: 55,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,386.19 : 94,388.69 = 40,100.99 : x
  2. Step 2: Convert to fraction form
    68,386.19/94,388.69 = 40,100.99/x
  3. Step 3: Cross multiply
    68,386.19x = 94,388.69 × 40,100.99
  4. Step 4: Simplify right side
    68,386.19x = 3,785,079,241.35
  5. Step 5: Solve for x
    x = 3,785,079,241.35/68,386.19
  6. Step 6: Final answer
    x = 55,348.59

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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.