Home / 52,160.79-78,206.62-18,876.52

Finding the Fourth Proportional to 52,160.79, 78,206.62 and 18,876.52

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Solution

The fourth proportional to 52,160.79, 78,206.62 and 18,876.52 is: 28,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,160.79 : 78,206.62 = 18,876.52 : x
  2. Step 2: Convert to fraction form
    52,160.79/78,206.62 = 18,876.52/x
  3. Step 3: Cross multiply
    52,160.79x = 78,206.62 × 18,876.52
  4. Step 4: Simplify right side
    52,160.79x = 1,476,268,826.56
  5. Step 5: Solve for x
    x = 1,476,268,826.56/52,160.79
  6. Step 6: Final answer
    x = 28,302.27

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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.