Home / 49,457.40-74,067.56-25,378.33

Finding the Fourth Proportional to 49,457.40, 74,067.56 and 25,378.33

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Solution

The fourth proportional to 49,457.40, 74,067.56 and 25,378.33 is: 38,006.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,457.40 : 74,067.56 = 25,378.33 : x
  2. Step 2: Convert to fraction form
    49,457.40/74,067.56 = 25,378.33/x
  3. Step 3: Cross multiply
    49,457.40x = 74,067.56 × 25,378.33
  4. Step 4: Simplify right side
    49,457.40x = 1,879,710,979.97
  5. Step 5: Solve for x
    x = 1,879,710,979.97/49,457.40
  6. Step 6: Final answer
    x = 38,006.67

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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.