Home / 68,334.10-102,464.70-28,846.60

Finding the Fourth Proportional to 68,334.10, 102,464.70 and 28,846.60

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Solution

The fourth proportional to 68,334.10, 102,464.70 and 28,846.60 is: 43,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,334.10 : 102,464.70 = 28,846.60 : x
  2. Step 2: Convert to fraction form
    68,334.10/102,464.70 = 28,846.60/x
  3. Step 3: Cross multiply
    68,334.10x = 102,464.70 × 28,846.60
  4. Step 4: Simplify right side
    68,334.10x = 2,955,758,215.02
  5. Step 5: Solve for x
    x = 2,955,758,215.02/68,334.10
  6. Step 6: Final answer
    x = 43,254.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.