Home / 45,550.60-68,333.07-12,271.96

Finding the Fourth Proportional to 45,550.60, 68,333.07 and 12,271.96

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Solution

The fourth proportional to 45,550.60, 68,333.07 and 12,271.96 is: 18,409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,550.60 : 68,333.07 = 12,271.96 : x
  2. Step 2: Convert to fraction form
    45,550.60/68,333.07 = 12,271.96/x
  3. Step 3: Cross multiply
    45,550.60x = 68,333.07 × 12,271.96
  4. Step 4: Simplify right side
    45,550.60x = 838,580,701.72
  5. Step 5: Solve for x
    x = 838,580,701.72/45,550.60
  6. Step 6: Final answer
    x = 18,409.87

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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.