Home / 70,724.20-105,929.56-41,068.48

Finding the Fourth Proportional to 70,724.20, 105,929.56 and 41,068.48

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Solution

The fourth proportional to 70,724.20, 105,929.56 and 41,068.48 is: 61,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,724.20 : 105,929.56 = 41,068.48 : x
  2. Step 2: Convert to fraction form
    70,724.20/105,929.56 = 41,068.48/x
  3. Step 3: Cross multiply
    70,724.20x = 105,929.56 × 41,068.48
  4. Step 4: Simplify right side
    70,724.20x = 4,350,366,016.27
  5. Step 5: Solve for x
    x = 4,350,366,016.27/70,724.20
  6. Step 6: Final answer
    x = 61,511.70

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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.