Home / 98,790.44-148,185.12-39,583.76

Finding the Fourth Proportional to 98,790.44, 148,185.12 and 39,583.76

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Solution

The fourth proportional to 98,790.44, 148,185.12 and 39,583.76 is: 59,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,790.44 : 148,185.12 = 39,583.76 : x
  2. Step 2: Convert to fraction form
    98,790.44/148,185.12 = 39,583.76/x
  3. Step 3: Cross multiply
    98,790.44x = 148,185.12 × 39,583.76
  4. Step 4: Simplify right side
    98,790.44x = 5,865,724,225.65
  5. Step 5: Solve for x
    x = 5,865,724,225.65/98,790.44
  6. Step 6: Final answer
    x = 59,375.42

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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.