Home / 74,581.65-111,868.82-27,830.88

Finding the Fourth Proportional to 74,581.65, 111,868.82 and 27,830.88

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Solution

The fourth proportional to 74,581.65, 111,868.82 and 27,830.88 is: 41,744.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,581.65 : 111,868.82 = 27,830.88 : x
  2. Step 2: Convert to fraction form
    74,581.65/111,868.82 = 27,830.88/x
  3. Step 3: Cross multiply
    74,581.65x = 111,868.82 × 27,830.88
  4. Step 4: Simplify right side
    74,581.65x = 3,113,407,705.16
  5. Step 5: Solve for x
    x = 3,113,407,705.16/74,581.65
  6. Step 6: Final answer
    x = 41,744.96

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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.