Home / 74,845.97-103,286.94-40,854.32

Finding the Fourth Proportional to 74,845.97, 103,286.94 and 40,854.32

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Solution

The fourth proportional to 74,845.97, 103,286.94 and 40,854.32 is: 56,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,845.97 : 103,286.94 = 40,854.32 : x
  2. Step 2: Convert to fraction form
    74,845.97/103,286.94 = 40,854.32/x
  3. Step 3: Cross multiply
    74,845.97x = 103,286.94 × 40,854.32
  4. Step 4: Simplify right side
    74,845.97x = 4,219,717,698.58
  5. Step 5: Solve for x
    x = 4,219,717,698.58/74,845.97
  6. Step 6: Final answer
    x = 56,378.69

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1.5x scale

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.