Home / 52,162.20-78,223.65-18,874.03

Finding the Fourth Proportional to 52,162.20, 78,223.65 and 18,874.03

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Solution

The fourth proportional to 52,162.20, 78,223.65 and 18,874.03 is: 28,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,162.20 : 78,223.65 = 18,874.03 : x
  2. Step 2: Convert to fraction form
    52,162.20/78,223.65 = 18,874.03/x
  3. Step 3: Cross multiply
    52,162.20x = 78,223.65 × 18,874.03
  4. Step 4: Simplify right side
    52,162.20x = 1,476,395,516.81
  5. Step 5: Solve for x
    x = 1,476,395,516.81/52,162.20
  6. Step 6: Final answer
    x = 28,303.93

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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.