Home / 44,271.75-66,420.63-13,107.81

Finding the Fourth Proportional to 44,271.75, 66,420.63 and 13,107.81

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Solution

The fourth proportional to 44,271.75, 66,420.63 and 13,107.81 is: 19,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,271.75 : 66,420.63 = 13,107.81 : x
  2. Step 2: Convert to fraction form
    44,271.75/66,420.63 = 13,107.81/x
  3. Step 3: Cross multiply
    44,271.75x = 66,420.63 × 13,107.81
  4. Step 4: Simplify right side
    44,271.75x = 870,628,998.12
  5. Step 5: Solve for x
    x = 870,628,998.12/44,271.75
  6. Step 6: Final answer
    x = 19,665.57

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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.