Home / 115,693.80-173,583.90-45,621.96

Finding the Fourth Proportional to 115,693.80, 173,583.90 and 45,621.96

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Solution

The fourth proportional to 115,693.80, 173,583.90 and 45,621.96 is: 68,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,693.80 : 173,583.90 = 45,621.96 : x
  2. Step 2: Convert to fraction form
    115,693.80/173,583.90 = 45,621.96/x
  3. Step 3: Cross multiply
    115,693.80x = 173,583.90 × 45,621.96
  4. Step 4: Simplify right side
    115,693.80x = 7,919,237,742.44
  5. Step 5: Solve for x
    x = 7,919,237,742.44/115,693.80
  6. Step 6: Final answer
    x = 68,449.98

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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.