Home / 53,310.72-79,960.44-28,324.32

Finding the Fourth Proportional to 53,310.72, 79,960.44 and 28,324.32

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Solution

The fourth proportional to 53,310.72, 79,960.44 and 28,324.32 is: 42,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310.72 : 79,960.44 = 28,324.32 : x
  2. Step 2: Convert to fraction form
    53,310.72/79,960.44 = 28,324.32/x
  3. Step 3: Cross multiply
    53,310.72x = 79,960.44 × 28,324.32
  4. Step 4: Simplify right side
    53,310.72x = 2,264,825,089.90
  5. Step 5: Solve for x
    x = 2,264,825,089.90/53,310.72
  6. Step 6: Final answer
    x = 42,483.48

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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.