Home / 74,918.37-103,387.71-40,927.35

Finding the Fourth Proportional to 74,918.37, 103,387.71 and 40,927.35

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Solution

The fourth proportional to 74,918.37, 103,387.71 and 40,927.35 is: 56,479.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,918.37 : 103,387.71 = 40,927.35 : x
  2. Step 2: Convert to fraction form
    74,918.37/103,387.71 = 40,927.35/x
  3. Step 3: Cross multiply
    74,918.37x = 103,387.71 × 40,927.35
  4. Step 4: Simplify right side
    74,918.37x = 4,231,384,992.87
  5. Step 5: Solve for x
    x = 4,231,384,992.87/74,918.37
  6. Step 6: Final answer
    x = 56,479.94

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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.