Home / 70,136.85-105,195.15-41,690.46

Finding the Fourth Proportional to 70,136.85, 105,195.15 and 41,690.46

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Solution

The fourth proportional to 70,136.85, 105,195.15 and 41,690.46 is: 62,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,136.85 : 105,195.15 = 41,690.46 : x
  2. Step 2: Convert to fraction form
    70,136.85/105,195.15 = 41,690.46/x
  3. Step 3: Cross multiply
    70,136.85x = 105,195.15 × 41,690.46
  4. Step 4: Simplify right side
    70,136.85x = 4,385,634,193.27
  5. Step 5: Solve for x
    x = 4,385,634,193.27/70,136.85
  6. Step 6: Final answer
    x = 62,529.67

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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.