Home / 98,735.75-136,247.82-55,719.24

Finding the Fourth Proportional to 98,735.75, 136,247.82 and 55,719.24

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Solution

The fourth proportional to 98,735.75, 136,247.82 and 55,719.24 is: 76,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,735.75 : 136,247.82 = 55,719.24 : x
  2. Step 2: Convert to fraction form
    98,735.75/136,247.82 = 55,719.24/x
  3. Step 3: Cross multiply
    98,735.75x = 136,247.82 × 55,719.24
  4. Step 4: Simplify right side
    98,735.75x = 7,591,624,982.06
  5. Step 5: Solve for x
    x = 7,591,624,982.06/98,735.75
  6. Step 6: Final answer
    x = 76,888.31

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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.