Home / 74,477.12-111,680.49-27,059.16

Finding the Fourth Proportional to 74,477.12, 111,680.49 and 27,059.16

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Solution

The fourth proportional to 74,477.12, 111,680.49 and 27,059.16 is: 40,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,477.12 : 111,680.49 = 27,059.16 : x
  2. Step 2: Convert to fraction form
    74,477.12/111,680.49 = 27,059.16/x
  3. Step 3: Cross multiply
    74,477.12x = 111,680.49 × 27,059.16
  4. Step 4: Simplify right side
    74,477.12x = 3,021,980,247.79
  5. Step 5: Solve for x
    x = 3,021,980,247.79/74,477.12
  6. Step 6: Final answer
    x = 40,575.95

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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.