Home / 108,731.09-163,057.52-37,634.42

Finding the Fourth Proportional to 108,731.09, 163,057.52 and 37,634.42

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Solution

The fourth proportional to 108,731.09, 163,057.52 and 37,634.42 is: 56,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,731.09 : 163,057.52 = 37,634.42 : x
  2. Step 2: Convert to fraction form
    108,731.09/163,057.52 = 37,634.42/x
  3. Step 3: Cross multiply
    108,731.09x = 163,057.52 × 37,634.42
  4. Step 4: Simplify right side
    108,731.09x = 6,136,575,693.57
  5. Step 5: Solve for x
    x = 6,136,575,693.57/108,731.09
  6. Step 6: Final answer
    x = 56,438.09

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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.