Home / 108,467.54-162,639.01-57,804.18

Finding the Fourth Proportional to 108,467.54, 162,639.01 and 57,804.18

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Solution

The fourth proportional to 108,467.54, 162,639.01 and 57,804.18 is: 86,673.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,467.54 : 162,639.01 = 57,804.18 : x
  2. Step 2: Convert to fraction form
    108,467.54/162,639.01 = 57,804.18/x
  3. Step 3: Cross multiply
    108,467.54x = 162,639.01 × 57,804.18
  4. Step 4: Simplify right side
    108,467.54x = 9,401,215,074.45
  5. Step 5: Solve for x
    x = 9,401,215,074.45/108,467.54
  6. Step 6: Final answer
    x = 86,673.08

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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.