Home / 74,208.72-111,242.68-27,429.84

Finding the Fourth Proportional to 74,208.72, 111,242.68 and 27,429.84

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Solution

The fourth proportional to 74,208.72, 111,242.68 and 27,429.84 is: 41,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,208.72 : 111,242.68 = 27,429.84 : x
  2. Step 2: Convert to fraction form
    74,208.72/111,242.68 = 27,429.84/x
  3. Step 3: Cross multiply
    74,208.72x = 111,242.68 × 27,429.84
  4. Step 4: Simplify right side
    74,208.72x = 3,051,368,913.57
  5. Step 5: Solve for x
    x = 3,051,368,913.57/74,208.72
  6. Step 6: Final answer
    x = 41,118.74

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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.