Home / 45,631.50-68,460.21-14,467.56

Finding the Fourth Proportional to 45,631.50, 68,460.21 and 14,467.56

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Solution

The fourth proportional to 45,631.50, 68,460.21 and 14,467.56 is: 21,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,631.50 : 68,460.21 = 14,467.56 : x
  2. Step 2: Convert to fraction form
    45,631.50/68,460.21 = 14,467.56/x
  3. Step 3: Cross multiply
    45,631.50x = 68,460.21 × 14,467.56
  4. Step 4: Simplify right side
    45,631.50x = 990,452,195.79
  5. Step 5: Solve for x
    x = 990,452,195.79/45,631.50
  6. Step 6: Final answer
    x = 21,705.45

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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.