Home / 45,546.35-68,311.77-12,259.00

Finding the Fourth Proportional to 45,546.35, 68,311.77 and 12,259.00

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Solution

The fourth proportional to 45,546.35, 68,311.77 and 12,259.00 is: 18,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,546.35 : 68,311.77 = 12,259.00 : x
  2. Step 2: Convert to fraction form
    45,546.35/68,311.77 = 12,259.00/x
  3. Step 3: Cross multiply
    45,546.35x = 68,311.77 × 12,259.00
  4. Step 4: Simplify right side
    45,546.35x = 837,433,646.87
  5. Step 5: Solve for x
    x = 837,433,646.87/45,546.35
  6. Step 6: Final answer
    x = 18,386.41

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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.