Home / 52,520.55-78,743.92-19,236.29

Finding the Fourth Proportional to 52,520.55, 78,743.92 and 19,236.29

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Solution

The fourth proportional to 52,520.55, 78,743.92 and 19,236.29 is: 28,840.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,520.55 : 78,743.92 = 19,236.29 : x
  2. Step 2: Convert to fraction form
    52,520.55/78,743.92 = 19,236.29/x
  3. Step 3: Cross multiply
    52,520.55x = 78,743.92 × 19,236.29
  4. Step 4: Simplify right side
    52,520.55x = 1,514,740,880.86
  5. Step 5: Solve for x
    x = 1,514,740,880.86/52,520.55
  6. Step 6: Final answer
    x = 28,840.92

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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.