Home / 84,747.35-127,114.85-34,813.89

Finding the Fourth Proportional to 84,747.35, 127,114.85 and 34,813.89

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Solution

The fourth proportional to 84,747.35, 127,114.85 and 34,813.89 is: 52,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,747.35 : 127,114.85 = 34,813.89 : x
  2. Step 2: Convert to fraction form
    84,747.35/127,114.85 = 34,813.89/x
  3. Step 3: Cross multiply
    84,747.35x = 127,114.85 × 34,813.89
  4. Step 4: Simplify right side
    84,747.35x = 4,425,362,231.20
  5. Step 5: Solve for x
    x = 4,425,362,231.20/84,747.35
  6. Step 6: Final answer
    x = 52,218.30

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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.