Home / 74,344.89-102,593.21-40,352.65

Finding the Fourth Proportional to 74,344.89, 102,593.21 and 40,352.65

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Solution

The fourth proportional to 74,344.89, 102,593.21 and 40,352.65 is: 55,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,344.89 : 102,593.21 = 40,352.65 : x
  2. Step 2: Convert to fraction form
    74,344.89/102,593.21 = 40,352.65/x
  3. Step 3: Cross multiply
    74,344.89x = 102,593.21 × 40,352.65
  4. Step 4: Simplify right side
    74,344.89x = 4,139,907,437.26
  5. Step 5: Solve for x
    x = 4,139,907,437.26/74,344.89
  6. Step 6: Final answer
    x = 55,685.16

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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.