Home / 86,409.75-119,245.46-46,665.75

Finding the Fourth Proportional to 86,409.75, 119,245.46 and 46,665.75

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Solution

The fourth proportional to 86,409.75, 119,245.46 and 46,665.75 is: 64,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,409.75 : 119,245.46 = 46,665.75 : x
  2. Step 2: Convert to fraction form
    86,409.75/119,245.46 = 46,665.75/x
  3. Step 3: Cross multiply
    86,409.75x = 119,245.46 × 46,665.75
  4. Step 4: Simplify right side
    86,409.75x = 5,564,678,825.00
  5. Step 5: Solve for x
    x = 5,564,678,825.00/86,409.75
  6. Step 6: Final answer
    x = 64,398.74

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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.