Home / 53,236.26-79,907.22-28,276.51

Finding the Fourth Proportional to 53,236.26, 79,907.22 and 28,276.51

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Solution

The fourth proportional to 53,236.26, 79,907.22 and 28,276.51 is: 42,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,236.26 : 79,907.22 = 28,276.51 : x
  2. Step 2: Convert to fraction form
    53,236.26/79,907.22 = 28,276.51/x
  3. Step 3: Cross multiply
    53,236.26x = 79,907.22 × 28,276.51
  4. Step 4: Simplify right side
    53,236.26x = 2,259,497,305.40
  5. Step 5: Solve for x
    x = 2,259,497,305.40/53,236.26
  6. Step 6: Final answer
    x = 42,442.83

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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.