Home / 45,424.44-68,147.63-14,259.69

Finding the Fourth Proportional to 45,424.44, 68,147.63 and 14,259.69

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Solution

The fourth proportional to 45,424.44, 68,147.63 and 14,259.69 is: 21,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,424.44 : 68,147.63 = 14,259.69 : x
  2. Step 2: Convert to fraction form
    45,424.44/68,147.63 = 14,259.69/x
  3. Step 3: Cross multiply
    45,424.44x = 68,147.63 × 14,259.69
  4. Step 4: Simplify right side
    45,424.44x = 971,764,078.03
  5. Step 5: Solve for x
    x = 971,764,078.03/45,424.44
  6. Step 6: Final answer
    x = 21,392.98

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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.