Home / 70,518.11-105,754.49-37,219.01

Finding the Fourth Proportional to 70,518.11, 105,754.49 and 37,219.01

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Solution

The fourth proportional to 70,518.11, 105,754.49 and 37,219.01 is: 55,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,518.11 : 105,754.49 = 37,219.01 : x
  2. Step 2: Convert to fraction form
    70,518.11/105,754.49 = 37,219.01/x
  3. Step 3: Cross multiply
    70,518.11x = 105,754.49 × 37,219.01
  4. Step 4: Simplify right side
    70,518.11x = 3,936,077,234.76
  5. Step 5: Solve for x
    x = 3,936,077,234.76/70,518.11
  6. Step 6: Final answer
    x = 55,816.54

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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.