Home / 45,361.20-68,041.32-14,196.72

Finding the Fourth Proportional to 45,361.20, 68,041.32 and 14,196.72

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Solution

The fourth proportional to 45,361.20, 68,041.32 and 14,196.72 is: 21,294.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,361.20 : 68,041.32 = 14,196.72 : x
  2. Step 2: Convert to fraction form
    45,361.20/68,041.32 = 14,196.72/x
  3. Step 3: Cross multiply
    45,361.20x = 68,041.32 × 14,196.72
  4. Step 4: Simplify right side
    45,361.20x = 965,963,568.47
  5. Step 5: Solve for x
    x = 965,963,568.47/45,361.20
  6. Step 6: Final answer
    x = 21,294.93

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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.