Home / 68,389.89-94,371.28-37,761.02

Finding the Fourth Proportional to 68,389.89, 94,371.28 and 37,761.02

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Solution

The fourth proportional to 68,389.89, 94,371.28 and 37,761.02 is: 52,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,389.89 : 94,371.28 = 37,761.02 : x
  2. Step 2: Convert to fraction form
    68,389.89/94,371.28 = 37,761.02/x
  3. Step 3: Cross multiply
    68,389.89x = 94,371.28 × 37,761.02
  4. Step 4: Simplify right side
    68,389.89x = 3,563,555,579.14
  5. Step 5: Solve for x
    x = 3,563,555,579.14/68,389.89
  6. Step 6: Final answer
    x = 52,106.47

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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.