Home / 45,624.50-68,436.68-14,457.32

Finding the Fourth Proportional to 45,624.50, 68,436.68 and 14,457.32

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Solution

The fourth proportional to 45,624.50, 68,436.68 and 14,457.32 is: 21,685.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,624.50 : 68,436.68 = 14,457.32 : x
  2. Step 2: Convert to fraction form
    45,624.50/68,436.68 = 14,457.32/x
  3. Step 3: Cross multiply
    45,624.50x = 68,436.68 × 14,457.32
  4. Step 4: Simplify right side
    45,624.50x = 989,410,568.03
  5. Step 5: Solve for x
    x = 989,410,568.03/45,624.50
  6. Step 6: Final answer
    x = 21,685.95

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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.