Home / 86,172.68-118,914.47-49,868.37

Finding the Fourth Proportional to 86,172.68, 118,914.47 and 49,868.37

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Solution

The fourth proportional to 86,172.68, 118,914.47 and 49,868.37 is: 68,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,172.68 : 118,914.47 = 49,868.37 : x
  2. Step 2: Convert to fraction form
    86,172.68/118,914.47 = 49,868.37/x
  3. Step 3: Cross multiply
    86,172.68x = 118,914.47 × 49,868.37
  4. Step 4: Simplify right side
    86,172.68x = 5,930,070,538.97
  5. Step 5: Solve for x
    x = 5,930,070,538.97/86,172.68
  6. Step 6: Final answer
    x = 68,816.14

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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.