Home / 101,853.49-140,556.44-56,531.33

Finding the Fourth Proportional to 101,853.49, 140,556.44 and 56,531.33

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Solution

The fourth proportional to 101,853.49, 140,556.44 and 56,531.33 is: 78,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,853.49 : 140,556.44 = 56,531.33 : x
  2. Step 2: Convert to fraction form
    101,853.49/140,556.44 = 56,531.33/x
  3. Step 3: Cross multiply
    101,853.49x = 140,556.44 × 56,531.33
  4. Step 4: Simplify right side
    101,853.49x = 7,945,842,497.56
  5. Step 5: Solve for x
    x = 7,945,842,497.56/101,853.49
  6. Step 6: Final answer
    x = 78,012.47

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1.5x scale

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.