Home / 52,273.08-78,421.38-17,211.48

Finding the Fourth Proportional to 52,273.08, 78,421.38 and 17,211.48

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Solution

The fourth proportional to 52,273.08, 78,421.38 and 17,211.48 is: 25,821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,273.08 : 78,421.38 = 17,211.48 : x
  2. Step 2: Convert to fraction form
    52,273.08/78,421.38 = 17,211.48/x
  3. Step 3: Cross multiply
    52,273.08x = 78,421.38 × 17,211.48
  4. Step 4: Simplify right side
    52,273.08x = 1,349,748,013.44
  5. Step 5: Solve for x
    x = 1,349,748,013.44/52,273.08
  6. Step 6: Final answer
    x = 25,821.09

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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.