Home / 45,571.14-68,356.30-14,406.40

Finding the Fourth Proportional to 45,571.14, 68,356.30 and 14,406.40

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Solution

The fourth proportional to 45,571.14, 68,356.30 and 14,406.40 is: 21,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,571.14 : 68,356.30 = 14,406.40 : x
  2. Step 2: Convert to fraction form
    45,571.14/68,356.30 = 14,406.40/x
  3. Step 3: Cross multiply
    45,571.14x = 68,356.30 × 14,406.40
  4. Step 4: Simplify right side
    45,571.14x = 984,768,200.32
  5. Step 5: Solve for x
    x = 984,768,200.32/45,571.14
  6. Step 6: Final answer
    x = 21,609.47

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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.