Home / 48,715.12-73,072.44-11,779.12

Finding the Fourth Proportional to 48,715.12, 73,072.44 and 11,779.12

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Solution

The fourth proportional to 48,715.12, 73,072.44 and 11,779.12 is: 17,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,715.12 : 73,072.44 = 11,779.12 : x
  2. Step 2: Convert to fraction form
    48,715.12/73,072.44 = 11,779.12/x
  3. Step 3: Cross multiply
    48,715.12x = 73,072.44 × 11,779.12
  4. Step 4: Simplify right side
    48,715.12x = 860,729,039.45
  5. Step 5: Solve for x
    x = 860,729,039.45/48,715.12
  6. Step 6: Final answer
    x = 17,668.62

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1.5x scale

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.