Home / 52,153.43-78,195.56-18,869.09

Finding the Fourth Proportional to 52,153.43, 78,195.56 and 18,869.09

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Solution

The fourth proportional to 52,153.43, 78,195.56 and 18,869.09 is: 28,291.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,153.43 : 78,195.56 = 18,869.09 : x
  2. Step 2: Convert to fraction form
    52,153.43/78,195.56 = 18,869.09/x
  3. Step 3: Cross multiply
    52,153.43x = 78,195.56 × 18,869.09
  4. Step 4: Simplify right side
    52,153.43x = 1,475,478,573.92
  5. Step 5: Solve for x
    x = 1,475,478,573.92/52,153.43
  6. Step 6: Final answer
    x = 28,291.12

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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.