Home / 45,370.45-68,048.40-14,205.70

Finding the Fourth Proportional to 45,370.45, 68,048.40 and 14,205.70

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Solution

The fourth proportional to 45,370.45, 68,048.40 and 14,205.70 is: 21,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,370.45 : 68,048.40 = 14,205.70 : x
  2. Step 2: Convert to fraction form
    45,370.45/68,048.40 = 14,205.70/x
  3. Step 3: Cross multiply
    45,370.45x = 68,048.40 × 14,205.70
  4. Step 4: Simplify right side
    45,370.45x = 966,675,155.88
  5. Step 5: Solve for x
    x = 966,675,155.88/45,370.45
  6. Step 6: Final answer
    x = 21,306.27

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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.