Home / 74,100.60-111,171.69-29,758.50

Finding the Fourth Proportional to 74,100.60, 111,171.69 and 29,758.50

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Solution

The fourth proportional to 74,100.60, 111,171.69 and 29,758.50 is: 44,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,100.60 : 111,171.69 = 29,758.50 : x
  2. Step 2: Convert to fraction form
    74,100.60/111,171.69 = 29,758.50/x
  3. Step 3: Cross multiply
    74,100.60x = 111,171.69 × 29,758.50
  4. Step 4: Simplify right side
    74,100.60x = 3,308,302,736.87
  5. Step 5: Solve for x
    x = 3,308,302,736.87/74,100.60
  6. Step 6: Final answer
    x = 44,646.10

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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.