Home / 74,580.65-111,867.32-27,829.88

Finding the Fourth Proportional to 74,580.65, 111,867.32 and 27,829.88

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Solution

The fourth proportional to 74,580.65, 111,867.32 and 27,829.88 is: 41,743.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,580.65 : 111,867.32 = 27,829.88 : x
  2. Step 2: Convert to fraction form
    74,580.65/111,867.32 = 27,829.88/x
  3. Step 3: Cross multiply
    74,580.65x = 111,867.32 × 27,829.88
  4. Step 4: Simplify right side
    74,580.65x = 3,113,253,601.76
  5. Step 5: Solve for x
    x = 3,113,253,601.76/74,580.65
  6. Step 6: Final answer
    x = 41,743.45

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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.