Home / 73,028.55-109,500.57-28,603.29

Finding the Fourth Proportional to 73,028.55, 109,500.57 and 28,603.29

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Solution

The fourth proportional to 73,028.55, 109,500.57 and 28,603.29 is: 42,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,028.55 : 109,500.57 = 28,603.29 : x
  2. Step 2: Convert to fraction form
    73,028.55/109,500.57 = 28,603.29/x
  3. Step 3: Cross multiply
    73,028.55x = 109,500.57 × 28,603.29
  4. Step 4: Simplify right side
    73,028.55x = 3,132,076,558.88
  5. Step 5: Solve for x
    x = 3,132,076,558.88/73,028.55
  6. Step 6: Final answer
    x = 42,888.38

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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.