Home / 45,546.48-68,311.96-12,259.12

Finding the Fourth Proportional to 45,546.48, 68,311.96 and 12,259.12

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Solution

The fourth proportional to 45,546.48, 68,311.96 and 12,259.12 is: 18,386.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,546.48 : 68,311.96 = 12,259.12 : x
  2. Step 2: Convert to fraction form
    45,546.48/68,311.96 = 12,259.12/x
  3. Step 3: Cross multiply
    45,546.48x = 68,311.96 × 12,259.12
  4. Step 4: Simplify right side
    45,546.48x = 837,444,515.08
  5. Step 5: Solve for x
    x = 837,444,515.08/45,546.48
  6. Step 6: Final answer
    x = 18,386.59

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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.