Home / 86,224.46-118,987.38-47,982.06

Finding the Fourth Proportional to 86,224.46, 118,987.38 and 47,982.06

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Solution

The fourth proportional to 86,224.46, 118,987.38 and 47,982.06 is: 66,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,224.46 : 118,987.38 = 47,982.06 : x
  2. Step 2: Convert to fraction form
    86,224.46/118,987.38 = 47,982.06/x
  3. Step 3: Cross multiply
    86,224.46x = 118,987.38 × 47,982.06
  4. Step 4: Simplify right side
    86,224.46x = 5,709,259,606.40
  5. Step 5: Solve for x
    x = 5,709,259,606.40/86,224.46
  6. Step 6: Final answer
    x = 66,213.93

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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.