Home / 45,311.09-67,924.71-17,222.72

Finding the Fourth Proportional to 45,311.09, 67,924.71 and 17,222.72

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Solution

The fourth proportional to 45,311.09, 67,924.71 and 17,222.72 is: 25,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,311.09 : 67,924.71 = 17,222.72 : x
  2. Step 2: Convert to fraction form
    45,311.09/67,924.71 = 17,222.72/x
  3. Step 3: Cross multiply
    45,311.09x = 67,924.71 × 17,222.72
  4. Step 4: Simplify right side
    45,311.09x = 1,169,847,921.79
  5. Step 5: Solve for x
    x = 1,169,847,921.79/45,311.09
  6. Step 6: Final answer
    x = 25,818.14

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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.