Home / 73,001.25-109,513.72-28,603.94

Finding the Fourth Proportional to 73,001.25, 109,513.72 and 28,603.94

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Solution

The fourth proportional to 73,001.25, 109,513.72 and 28,603.94 is: 42,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,001.25 : 109,513.72 = 28,603.94 : x
  2. Step 2: Convert to fraction form
    73,001.25/109,513.72 = 28,603.94/x
  3. Step 3: Cross multiply
    73,001.25x = 109,513.72 × 28,603.94
  4. Step 4: Simplify right side
    73,001.25x = 3,132,523,364.24
  5. Step 5: Solve for x
    x = 3,132,523,364.24/73,001.25
  6. Step 6: Final answer
    x = 42,910.54

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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.