Home / 68,470.20-102,705.30-44,969.40

Finding the Fourth Proportional to 68,470.20, 102,705.30 and 44,969.40

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Solution

The fourth proportional to 68,470.20, 102,705.30 and 44,969.40 is: 67,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,470.20 : 102,705.30 = 44,969.40 : x
  2. Step 2: Convert to fraction form
    68,470.20/102,705.30 = 44,969.40/x
  3. Step 3: Cross multiply
    68,470.20x = 102,705.30 × 44,969.40
  4. Step 4: Simplify right side
    68,470.20x = 4,618,595,717.82
  5. Step 5: Solve for x
    x = 4,618,595,717.82/68,470.20
  6. Step 6: Final answer
    x = 67,454.10

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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.