Home / 98,436.78-147,618.90-35,239.77

Finding the Fourth Proportional to 98,436.78, 147,618.90 and 35,239.77

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Solution

The fourth proportional to 98,436.78, 147,618.90 and 35,239.77 is: 52,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,436.78 : 147,618.90 = 35,239.77 : x
  2. Step 2: Convert to fraction form
    98,436.78/147,618.90 = 35,239.77/x
  3. Step 3: Cross multiply
    98,436.78x = 147,618.90 × 35,239.77
  4. Step 4: Simplify right side
    98,436.78x = 5,202,056,083.65
  5. Step 5: Solve for x
    x = 5,202,056,083.65/98,436.78
  6. Step 6: Final answer
    x = 52,846.67

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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.