Home / 74,326.31-102,570.38-40,334.80

Finding the Fourth Proportional to 74,326.31, 102,570.38 and 40,334.80

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Solution

The fourth proportional to 74,326.31, 102,570.38 and 40,334.80 is: 55,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,326.31 : 102,570.38 = 40,334.80 : x
  2. Step 2: Convert to fraction form
    74,326.31/102,570.38 = 40,334.80/x
  3. Step 3: Cross multiply
    74,326.31x = 102,570.38 × 40,334.80
  4. Step 4: Simplify right side
    74,326.31x = 4,137,155,662.39
  5. Step 5: Solve for x
    x = 4,137,155,662.39/74,326.31
  6. Step 6: Final answer
    x = 55,662.06

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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.