Home / 86,364.41-119,179.74-48,121.98

Finding the Fourth Proportional to 86,364.41, 119,179.74 and 48,121.98

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Solution

The fourth proportional to 86,364.41, 119,179.74 and 48,121.98 is: 66,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,364.41 : 119,179.74 = 48,121.98 : x
  2. Step 2: Convert to fraction form
    86,364.41/119,179.74 = 48,121.98/x
  3. Step 3: Cross multiply
    86,364.41x = 119,179.74 × 48,121.98
  4. Step 4: Simplify right side
    86,364.41x = 5,735,165,064.69
  5. Step 5: Solve for x
    x = 5,735,165,064.69/86,364.41
  6. Step 6: Final answer
    x = 66,406.58

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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.