Home / 49,605.36-74,330.28-42,179.28

Finding the Fourth Proportional to 49,605.36, 74,330.28 and 42,179.28

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Solution

The fourth proportional to 49,605.36, 74,330.28 and 42,179.28 is: 63,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,605.36 : 74,330.28 = 42,179.28 : x
  2. Step 2: Convert to fraction form
    49,605.36/74,330.28 = 42,179.28/x
  3. Step 3: Cross multiply
    49,605.36x = 74,330.28 × 42,179.28
  4. Step 4: Simplify right side
    49,605.36x = 3,135,197,692.60
  5. Step 5: Solve for x
    x = 3,135,197,692.60/49,605.36
  6. Step 6: Final answer
    x = 63,202.80

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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.