Home / 45,815.22-68,674.84-19,176.46

Finding the Fourth Proportional to 45,815.22, 68,674.84 and 19,176.46

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Solution

The fourth proportional to 45,815.22, 68,674.84 and 19,176.46 is: 28,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815.22 : 68,674.84 = 19,176.46 : x
  2. Step 2: Convert to fraction form
    45,815.22/68,674.84 = 19,176.46/x
  3. Step 3: Cross multiply
    45,815.22x = 68,674.84 × 19,176.46
  4. Step 4: Simplify right side
    45,815.22x = 1,316,940,322.27
  5. Step 5: Solve for x
    x = 1,316,940,322.27/45,815.22
  6. Step 6: Final answer
    x = 28,744.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.