Home / 84,943.01-127,512.94-45,577.01

Finding the Fourth Proportional to 84,943.01, 127,512.94 and 45,577.01

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Solution

The fourth proportional to 84,943.01, 127,512.94 and 45,577.01 is: 68,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,943.01 : 127,512.94 = 45,577.01 : x
  2. Step 2: Convert to fraction form
    84,943.01/127,512.94 = 45,577.01/x
  3. Step 3: Cross multiply
    84,943.01x = 127,512.94 × 45,577.01
  4. Step 4: Simplify right side
    84,943.01x = 5,811,657,676.06
  5. Step 5: Solve for x
    x = 5,811,657,676.06/84,943.01
  6. Step 6: Final answer
    x = 68,418.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.