Home / 76,624.14-105,716.70-46,399.80

Finding the Fourth Proportional to 76,624.14, 105,716.70 and 46,399.80

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Solution

The fourth proportional to 76,624.14, 105,716.70 and 46,399.80 is: 64,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,624.14 : 105,716.70 = 46,399.80 : x
  2. Step 2: Convert to fraction form
    76,624.14/105,716.70 = 46,399.80/x
  3. Step 3: Cross multiply
    76,624.14x = 105,716.70 × 46,399.80
  4. Step 4: Simplify right side
    76,624.14x = 4,905,233,736.66
  5. Step 5: Solve for x
    x = 4,905,233,736.66/76,624.14
  6. Step 6: Final answer
    x = 64,016.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.