Home / 45,813.98-68,731.73-14,222.42

Finding the Fourth Proportional to 45,813.98, 68,731.73 and 14,222.42

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Solution

The fourth proportional to 45,813.98, 68,731.73 and 14,222.42 is: 21,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,813.98 : 68,731.73 = 14,222.42 : x
  2. Step 2: Convert to fraction form
    45,813.98/68,731.73 = 14,222.42/x
  3. Step 3: Cross multiply
    45,813.98x = 68,731.73 × 14,222.42
  4. Step 4: Simplify right side
    45,813.98x = 977,531,531.39
  5. Step 5: Solve for x
    x = 977,531,531.39/45,813.98
  6. Step 6: Final answer
    x = 21,336.97

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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.