Home / 45,806.70-68,722.20-16,221.45

Finding the Fourth Proportional to 45,806.70, 68,722.20 and 16,221.45

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Solution

The fourth proportional to 45,806.70, 68,722.20 and 16,221.45 is: 24,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,806.70 : 68,722.20 = 16,221.45 : x
  2. Step 2: Convert to fraction form
    45,806.70/68,722.20 = 16,221.45/x
  3. Step 3: Cross multiply
    45,806.70x = 68,722.20 × 16,221.45
  4. Step 4: Simplify right side
    45,806.70x = 1,114,773,731.19
  5. Step 5: Solve for x
    x = 1,114,773,731.19/45,806.70
  6. Step 6: Final answer
    x = 24,336.48

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1.5x scale

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.