Home / 86,860.41-119,867.81-49,133.85

Finding the Fourth Proportional to 86,860.41, 119,867.81 and 49,133.85

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Solution

The fourth proportional to 86,860.41, 119,867.81 and 49,133.85 is: 67,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,860.41 : 119,867.81 = 49,133.85 : x
  2. Step 2: Convert to fraction form
    86,860.41/119,867.81 = 49,133.85/x
  3. Step 3: Cross multiply
    86,860.41x = 119,867.81 × 49,133.85
  4. Step 4: Simplify right side
    86,860.41x = 5,889,566,996.37
  5. Step 5: Solve for x
    x = 5,889,566,996.37/86,860.41
  6. Step 6: Final answer
    x = 67,804.96

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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.