Home / 45,399.07-68,098.61-14,236.75

Finding the Fourth Proportional to 45,399.07, 68,098.61 and 14,236.75

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Solution

The fourth proportional to 45,399.07, 68,098.61 and 14,236.75 is: 21,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,399.07 : 68,098.61 = 14,236.75 : x
  2. Step 2: Convert to fraction form
    45,399.07/68,098.61 = 14,236.75/x
  3. Step 3: Cross multiply
    45,399.07x = 68,098.61 × 14,236.75
  4. Step 4: Simplify right side
    45,399.07x = 969,502,814.73
  5. Step 5: Solve for x
    x = 969,502,814.73/45,399.07
  6. Step 6: Final answer
    x = 21,355.13

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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.