Home / 74,326.37-102,570.65-40,334.84

Finding the Fourth Proportional to 74,326.37, 102,570.65 and 40,334.84

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Solution

The fourth proportional to 74,326.37, 102,570.65 and 40,334.84 is: 55,662.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,326.37 : 102,570.65 = 40,334.84 : x
  2. Step 2: Convert to fraction form
    74,326.37/102,570.65 = 40,334.84/x
  3. Step 3: Cross multiply
    74,326.37x = 102,570.65 × 40,334.84
  4. Step 4: Simplify right side
    74,326.37x = 4,137,171,381.66
  5. Step 5: Solve for x
    x = 4,137,171,381.66/74,326.37
  6. Step 6: Final answer
    x = 55,662.23

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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.