Home / 74,433.58-102,717.63-40,441.33

Finding the Fourth Proportional to 74,433.58, 102,717.63 and 40,441.33

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Solution

The fourth proportional to 74,433.58, 102,717.63 and 40,441.33 is: 55,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,433.58 : 102,717.63 = 40,441.33 : x
  2. Step 2: Convert to fraction form
    74,433.58/102,717.63 = 40,441.33/x
  3. Step 3: Cross multiply
    74,433.58x = 102,717.63 × 40,441.33
  4. Step 4: Simplify right side
    74,433.58x = 4,154,037,571.65
  5. Step 5: Solve for x
    x = 4,154,037,571.65/74,433.58
  6. Step 6: Final answer
    x = 55,808.65

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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.