Home / 49,611.20-74,321.76-47,943.68

Finding the Fourth Proportional to 49,611.20, 74,321.76 and 47,943.68

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Solution

The fourth proportional to 49,611.20, 74,321.76 and 47,943.68 is: 71,823.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,611.20 : 74,321.76 = 47,943.68 : x
  2. Step 2: Convert to fraction form
    49,611.20/74,321.76 = 47,943.68/x
  3. Step 3: Cross multiply
    49,611.20x = 74,321.76 × 47,943.68
  4. Step 4: Simplify right side
    49,611.20x = 3,563,258,678.48
  5. Step 5: Solve for x
    x = 3,563,258,678.48/49,611.20
  6. Step 6: Final answer
    x = 71,823.67

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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.