Home / 101,544.82-140,131.46-56,220.07

Finding the Fourth Proportional to 101,544.82, 140,131.46 and 56,220.07

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Solution

The fourth proportional to 101,544.82, 140,131.46 and 56,220.07 is: 77,583.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,544.82 : 140,131.46 = 56,220.07 : x
  2. Step 2: Convert to fraction form
    101,544.82/140,131.46 = 56,220.07/x
  3. Step 3: Cross multiply
    101,544.82x = 140,131.46 × 56,220.07
  4. Step 4: Simplify right side
    101,544.82x = 7,878,200,490.40
  5. Step 5: Solve for x
    x = 7,878,200,490.40/101,544.82
  6. Step 6: Final answer
    x = 77,583.48

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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.