Home / 48,896.20-73,500.90-45,429.40

Finding the Fourth Proportional to 48,896.20, 73,500.90 and 45,429.40

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Solution

The fourth proportional to 48,896.20, 73,500.90 and 45,429.40 is: 68,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,896.20 : 73,500.90 = 45,429.40 : x
  2. Step 2: Convert to fraction form
    48,896.20/73,500.90 = 45,429.40/x
  3. Step 3: Cross multiply
    48,896.20x = 73,500.90 × 45,429.40
  4. Step 4: Simplify right side
    48,896.20x = 3,339,101,786.46
  5. Step 5: Solve for x
    x = 3,339,101,786.46/48,896.20
  6. Step 6: Final answer
    x = 68,289.60

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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.