Home / 79,897.21-110,298.07-49,692.27

Finding the Fourth Proportional to 79,897.21, 110,298.07 and 49,692.27

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Solution

The fourth proportional to 79,897.21, 110,298.07 and 49,692.27 is: 68,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,897.21 : 110,298.07 = 49,692.27 : x
  2. Step 2: Convert to fraction form
    79,897.21/110,298.07 = 49,692.27/x
  3. Step 3: Cross multiply
    79,897.21x = 110,298.07 × 49,692.27
  4. Step 4: Simplify right side
    79,897.21x = 5,480,961,474.92
  5. Step 5: Solve for x
    x = 5,480,961,474.92/79,897.21
  6. Step 6: Final answer
    x = 68,600.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.