Home / 86,206.86-118,964.32-48,481.11

Finding the Fourth Proportional to 86,206.86, 118,964.32 and 48,481.11

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Solution

The fourth proportional to 86,206.86, 118,964.32 and 48,481.11 is: 66,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,206.86 : 118,964.32 = 48,481.11 : x
  2. Step 2: Convert to fraction form
    86,206.86/118,964.32 = 48,481.11/x
  3. Step 3: Cross multiply
    86,206.86x = 118,964.32 × 48,481.11
  4. Step 4: Simplify right side
    86,206.86x = 5,767,522,284.00
  5. Step 5: Solve for x
    x = 5,767,522,284.00/86,206.86
  6. Step 6: Final answer
    x = 66,903.29

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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.