Home / 70,378.24-105,509.22-32,919.88

Finding the Fourth Proportional to 70,378.24, 105,509.22 and 32,919.88

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Solution

The fourth proportional to 70,378.24, 105,509.22 and 32,919.88 is: 49,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,378.24 : 105,509.22 = 32,919.88 : x
  2. Step 2: Convert to fraction form
    70,378.24/105,509.22 = 32,919.88/x
  3. Step 3: Cross multiply
    70,378.24x = 105,509.22 × 32,919.88
  4. Step 4: Simplify right side
    70,378.24x = 3,473,350,861.29
  5. Step 5: Solve for x
    x = 3,473,350,861.29/70,378.24
  6. Step 6: Final answer
    x = 49,352.62

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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.