Home / 101,584.36-140,186.82-59,172.04

Finding the Fourth Proportional to 101,584.36, 140,186.82 and 59,172.04

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Solution

The fourth proportional to 101,584.36, 140,186.82 and 59,172.04 is: 81,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,584.36 : 140,186.82 = 59,172.04 : x
  2. Step 2: Convert to fraction form
    101,584.36/140,186.82 = 59,172.04/x
  3. Step 3: Cross multiply
    101,584.36x = 140,186.82 × 59,172.04
  4. Step 4: Simplify right side
    101,584.36x = 8,295,140,120.51
  5. Step 5: Solve for x
    x = 8,295,140,120.51/101,584.36
  6. Step 6: Final answer
    x = 81,657.65

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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.