Home / 68,048.22-102,102.70-34,750.74

Finding the Fourth Proportional to 68,048.22, 102,102.70 and 34,750.74

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Solution

The fourth proportional to 68,048.22, 102,102.70 and 34,750.74 is: 52,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,048.22 : 102,102.70 = 34,750.74 : x
  2. Step 2: Convert to fraction form
    68,048.22/102,102.70 = 34,750.74/x
  3. Step 3: Cross multiply
    68,048.22x = 102,102.70 × 34,750.74
  4. Step 4: Simplify right side
    68,048.22x = 3,548,144,381.00
  5. Step 5: Solve for x
    x = 3,548,144,381.00/68,048.22
  6. Step 6: Final answer
    x = 52,141.62

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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.