Home / 55,755.02-76,936.80-33,090.11

Finding the Fourth Proportional to 55,755.02, 76,936.80 and 33,090.11

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Solution

The fourth proportional to 55,755.02, 76,936.80 and 33,090.11 is: 45,661.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,755.02 : 76,936.80 = 33,090.11 : x
  2. Step 2: Convert to fraction form
    55,755.02/76,936.80 = 33,090.11/x
  3. Step 3: Cross multiply
    55,755.02x = 76,936.80 × 33,090.11
  4. Step 4: Simplify right side
    55,755.02x = 2,545,847,175.05
  5. Step 5: Solve for x
    x = 2,545,847,175.05/55,755.02
  6. Step 6: Final answer
    x = 45,661.31

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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.