Home / 55,895.09-77,108.12-33,218.03

Finding the Fourth Proportional to 55,895.09, 77,108.12 and 33,218.03

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Solution

The fourth proportional to 55,895.09, 77,108.12 and 33,218.03 is: 45,824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,895.09 : 77,108.12 = 33,218.03 : x
  2. Step 2: Convert to fraction form
    55,895.09/77,108.12 = 33,218.03/x
  3. Step 3: Cross multiply
    55,895.09x = 77,108.12 × 33,218.03
  4. Step 4: Simplify right side
    55,895.09x = 2,561,379,291.77
  5. Step 5: Solve for x
    x = 2,561,379,291.77/55,895.09
  6. Step 6: Final answer
    x = 45,824.77

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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.