Home / 45,541.76-68,315.52-14,378.24

Finding the Fourth Proportional to 45,541.76, 68,315.52 and 14,378.24

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Solution

The fourth proportional to 45,541.76, 68,315.52 and 14,378.24 is: 21,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,541.76 : 68,315.52 = 14,378.24 : x
  2. Step 2: Convert to fraction form
    45,541.76/68,315.52 = 14,378.24/x
  3. Step 3: Cross multiply
    45,541.76x = 68,315.52 × 14,378.24
  4. Step 4: Simplify right side
    45,541.76x = 982,256,942.28
  5. Step 5: Solve for x
    x = 982,256,942.28/45,541.76
  6. Step 6: Final answer
    x = 21,568.27

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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.