Home / 101,544.08-140,161.19-65,736.50

Finding the Fourth Proportional to 101,544.08, 140,161.19 and 65,736.50

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Solution

The fourth proportional to 101,544.08, 140,161.19 and 65,736.50 is: 90,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,544.08 : 140,161.19 = 65,736.50 : x
  2. Step 2: Convert to fraction form
    101,544.08/140,161.19 = 65,736.50/x
  3. Step 3: Cross multiply
    101,544.08x = 140,161.19 × 65,736.50
  4. Step 4: Simplify right side
    101,544.08x = 9,213,706,581.18
  5. Step 5: Solve for x
    x = 9,213,706,581.18/101,544.08
  6. Step 6: Final answer
    x = 90,736.03

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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.