Home / 74,918.04-103,382.33-40,919.64

Finding the Fourth Proportional to 74,918.04, 103,382.33 and 40,919.64

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Solution

The fourth proportional to 74,918.04, 103,382.33 and 40,919.64 is: 56,466.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,918.04 : 103,382.33 = 40,919.64 : x
  2. Step 2: Convert to fraction form
    74,918.04/103,382.33 = 40,919.64/x
  3. Step 3: Cross multiply
    74,918.04x = 103,382.33 × 40,919.64
  4. Step 4: Simplify right side
    74,918.04x = 4,230,367,521.36
  5. Step 5: Solve for x
    x = 4,230,367,521.36/74,918.04
  6. Step 6: Final answer
    x = 56,466.61

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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.