Home / 84,849.20-127,273.80-34,912.70

Finding the Fourth Proportional to 84,849.20, 127,273.80 and 34,912.70

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Solution

The fourth proportional to 84,849.20, 127,273.80 and 34,912.70 is: 52,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,849.20 : 127,273.80 = 34,912.70 : x
  2. Step 2: Convert to fraction form
    84,849.20/127,273.80 = 34,912.70/x
  3. Step 3: Cross multiply
    84,849.20x = 127,273.80 × 34,912.70
  4. Step 4: Simplify right side
    84,849.20x = 4,443,471,997.26
  5. Step 5: Solve for x
    x = 4,443,471,997.26/84,849.20
  6. Step 6: Final answer
    x = 52,369.05

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1.5x scale

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.