Home / 84,921.38-127,377.48-35,000.54

Finding the Fourth Proportional to 84,921.38, 127,377.48 and 35,000.54

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Solution

The fourth proportional to 84,921.38, 127,377.48 and 35,000.54 is: 52,498.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,921.38 : 127,377.48 = 35,000.54 : x
  2. Step 2: Convert to fraction form
    84,921.38/127,377.48 = 35,000.54/x
  3. Step 3: Cross multiply
    84,921.38x = 127,377.48 × 35,000.54
  4. Step 4: Simplify right side
    84,921.38x = 4,458,280,583.84
  5. Step 5: Solve for x
    x = 4,458,280,583.84/84,921.38
  6. Step 6: Final answer
    x = 52,498.92

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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.