Home / 45,336.96-68,005.44-14,172.48

Finding the Fourth Proportional to 45,336.96, 68,005.44 and 14,172.48

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Solution

The fourth proportional to 45,336.96, 68,005.44 and 14,172.48 is: 21,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,336.96 : 68,005.44 = 14,172.48 : x
  2. Step 2: Convert to fraction form
    45,336.96/68,005.44 = 14,172.48/x
  3. Step 3: Cross multiply
    45,336.96x = 68,005.44 × 14,172.48
  4. Step 4: Simplify right side
    45,336.96x = 963,805,738.29
  5. Step 5: Solve for x
    x = 963,805,738.29/45,336.96
  6. Step 6: Final answer
    x = 21,258.72

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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.