Home / 45,914.08-68,861.88-14,315.56

Finding the Fourth Proportional to 45,914.08, 68,861.88 and 14,315.56

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Solution

The fourth proportional to 45,914.08, 68,861.88 and 14,315.56 is: 21,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,914.08 : 68,861.88 = 14,315.56 : x
  2. Step 2: Convert to fraction form
    45,914.08/68,861.88 = 14,315.56/x
  3. Step 3: Cross multiply
    45,914.08x = 68,861.88 × 14,315.56
  4. Step 4: Simplify right side
    45,914.08x = 985,796,374.85
  5. Step 5: Solve for x
    x = 985,796,374.85/45,914.08
  6. Step 6: Final answer
    x = 21,470.46

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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.