Home / 43,460.05-65,219.29-15,379.99

Finding the Fourth Proportional to 43,460.05, 65,219.29 and 15,379.99

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Solution

The fourth proportional to 43,460.05, 65,219.29 and 15,379.99 is: 23,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,460.05 : 65,219.29 = 15,379.99 : x
  2. Step 2: Convert to fraction form
    43,460.05/65,219.29 = 15,379.99/x
  3. Step 3: Cross multiply
    43,460.05x = 65,219.29 × 15,379.99
  4. Step 4: Simplify right side
    43,460.05x = 1,003,072,028.01
  5. Step 5: Solve for x
    x = 1,003,072,028.01/43,460.05
  6. Step 6: Final answer
    x = 23,080.32

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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.