Home / 86,069.14-118,786.53-48,343.39

Finding the Fourth Proportional to 86,069.14, 118,786.53 and 48,343.39

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Solution

The fourth proportional to 86,069.14, 118,786.53 and 48,343.39 is: 66,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,069.14 : 118,786.53 = 48,343.39 : x
  2. Step 2: Convert to fraction form
    86,069.14/118,786.53 = 48,343.39/x
  3. Step 3: Cross multiply
    86,069.14x = 118,786.53 × 48,343.39
  4. Step 4: Simplify right side
    86,069.14x = 5,742,543,546.54
  5. Step 5: Solve for x
    x = 5,742,543,546.54/86,069.14
  6. Step 6: Final answer
    x = 66,720.12

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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.