Home / 68,000.60-102,029.02-54,107.48

Finding the Fourth Proportional to 68,000.60, 102,029.02 and 54,107.48

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Solution

The fourth proportional to 68,000.60, 102,029.02 and 54,107.48 is: 81,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,000.60 : 102,029.02 = 54,107.48 : x
  2. Step 2: Convert to fraction form
    68,000.60/102,029.02 = 54,107.48/x
  3. Step 3: Cross multiply
    68,000.60x = 102,029.02 × 54,107.48
  4. Step 4: Simplify right side
    68,000.60x = 5,520,533,159.07
  5. Step 5: Solve for x
    x = 5,520,533,159.07/68,000.60
  6. Step 6: Final answer
    x = 81,183.59

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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.