Home / 86,382.36-119,229.93-56,242.98

Finding the Fourth Proportional to 86,382.36, 119,229.93 and 56,242.98

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Solution

The fourth proportional to 86,382.36, 119,229.93 and 56,242.98 is: 77,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,382.36 : 119,229.93 = 56,242.98 : x
  2. Step 2: Convert to fraction form
    86,382.36/119,229.93 = 56,242.98/x
  3. Step 3: Cross multiply
    86,382.36x = 119,229.93 × 56,242.98
  4. Step 4: Simplify right side
    86,382.36x = 6,705,846,568.39
  5. Step 5: Solve for x
    x = 6,705,846,568.39/86,382.36
  6. Step 6: Final answer
    x = 77,629.81

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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.