Home / 84,945.29-127,433.31-34,997.63

Finding the Fourth Proportional to 84,945.29, 127,433.31 and 34,997.63

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Solution

The fourth proportional to 84,945.29, 127,433.31 and 34,997.63 is: 52,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,945.29 : 127,433.31 = 34,997.63 : x
  2. Step 2: Convert to fraction form
    84,945.29/127,433.31 = 34,997.63/x
  3. Step 3: Cross multiply
    84,945.29x = 127,433.31 × 34,997.63
  4. Step 4: Simplify right side
    84,945.29x = 4,459,863,195.89
  5. Step 5: Solve for x
    x = 4,459,863,195.89/84,945.29
  6. Step 6: Final answer
    x = 52,502.78

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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.