Home / 104,906.15-157,424.84-42,576.65

Finding the Fourth Proportional to 104,906.15, 157,424.84 and 42,576.65

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Solution

The fourth proportional to 104,906.15, 157,424.84 and 42,576.65 is: 63,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,906.15 : 157,424.84 = 42,576.65 : x
  2. Step 2: Convert to fraction form
    104,906.15/157,424.84 = 42,576.65/x
  3. Step 3: Cross multiply
    104,906.15x = 157,424.84 × 42,576.65
  4. Step 4: Simplify right side
    104,906.15x = 6,702,622,101.10
  5. Step 5: Solve for x
    x = 6,702,622,101.10/104,906.15
  6. Step 6: Final answer
    x = 63,891.60

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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.