Home / 45,890.75-68,817.43-14,290.19

Finding the Fourth Proportional to 45,890.75, 68,817.43 and 14,290.19

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Solution

The fourth proportional to 45,890.75, 68,817.43 and 14,290.19 is: 21,429.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,890.75 : 68,817.43 = 14,290.19 : x
  2. Step 2: Convert to fraction form
    45,890.75/68,817.43 = 14,290.19/x
  3. Step 3: Cross multiply
    45,890.75x = 68,817.43 × 14,290.19
  4. Step 4: Simplify right side
    45,890.75x = 983,414,081.85
  5. Step 5: Solve for x
    x = 983,414,081.85/45,890.75
  6. Step 6: Final answer
    x = 21,429.46

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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.