Home / 74,634.40-102,979.92-46,323.28

Finding the Fourth Proportional to 74,634.40, 102,979.92 and 46,323.28

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Solution

The fourth proportional to 74,634.40, 102,979.92 and 46,323.28 is: 63,916.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,634.40 : 102,979.92 = 46,323.28 : x
  2. Step 2: Convert to fraction form
    74,634.40/102,979.92 = 46,323.28/x
  3. Step 3: Cross multiply
    74,634.40x = 102,979.92 × 46,323.28
  4. Step 4: Simplify right side
    74,634.40x = 4,770,367,668.54
  5. Step 5: Solve for x
    x = 4,770,367,668.54/74,634.40
  6. Step 6: Final answer
    x = 63,916.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.