Home / 43,208.19-64,812.21-12,043.44

Finding the Fourth Proportional to 43,208.19, 64,812.21 and 12,043.44

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Solution

The fourth proportional to 43,208.19, 64,812.21 and 12,043.44 is: 18,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,208.19 : 64,812.21 = 12,043.44 : x
  2. Step 2: Convert to fraction form
    43,208.19/64,812.21 = 12,043.44/x
  3. Step 3: Cross multiply
    43,208.19x = 64,812.21 × 12,043.44
  4. Step 4: Simplify right side
    43,208.19x = 780,562,133.40
  5. Step 5: Solve for x
    x = 780,562,133.40/43,208.19
  6. Step 6: Final answer
    x = 18,065.14

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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.