Home / 104,467.21-144,160.81-56,719.54

Finding the Fourth Proportional to 104,467.21, 144,160.81 and 56,719.54

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Solution

The fourth proportional to 104,467.21, 144,160.81 and 56,719.54 is: 78,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,467.21 : 144,160.81 = 56,719.54 : x
  2. Step 2: Convert to fraction form
    104,467.21/144,160.81 = 56,719.54/x
  3. Step 3: Cross multiply
    104,467.21x = 144,160.81 × 56,719.54
  4. Step 4: Simplify right side
    104,467.21x = 8,176,734,829.23
  5. Step 5: Solve for x
    x = 8,176,734,829.23/104,467.21
  6. Step 6: Final answer
    x = 78,270.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.