Home / 84,979.44-127,295.40-40,471.44

Finding the Fourth Proportional to 84,979.44, 127,295.40 and 40,471.44

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Solution

The fourth proportional to 84,979.44, 127,295.40 and 40,471.44 is: 60,624.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,979.44 : 127,295.40 = 40,471.44 : x
  2. Step 2: Convert to fraction form
    84,979.44/127,295.40 = 40,471.44/x
  3. Step 3: Cross multiply
    84,979.44x = 127,295.40 × 40,471.44
  4. Step 4: Simplify right side
    84,979.44x = 5,151,828,143.38
  5. Step 5: Solve for x
    x = 5,151,828,143.38/84,979.44
  6. Step 6: Final answer
    x = 60,624.41

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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.