Home / 45,622.72-68,435.52-14,458.24

Finding the Fourth Proportional to 45,622.72, 68,435.52 and 14,458.24

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Solution

The fourth proportional to 45,622.72, 68,435.52 and 14,458.24 is: 21,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,622.72 : 68,435.52 = 14,458.24 : x
  2. Step 2: Convert to fraction form
    45,622.72/68,435.52 = 14,458.24/x
  3. Step 3: Cross multiply
    45,622.72x = 68,435.52 × 14,458.24
  4. Step 4: Simplify right side
    45,622.72x = 989,457,172.68
  5. Step 5: Solve for x
    x = 989,457,172.68/45,622.72
  6. Step 6: Final answer
    x = 21,687.82

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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.