Home / 108,105.84-162,167.40-38,000.88

Finding the Fourth Proportional to 108,105.84, 162,167.40 and 38,000.88

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Solution

The fourth proportional to 108,105.84, 162,167.40 and 38,000.88 is: 57,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,105.84 : 162,167.40 = 38,000.88 : x
  2. Step 2: Convert to fraction form
    108,105.84/162,167.40 = 38,000.88/x
  3. Step 3: Cross multiply
    108,105.84x = 162,167.40 × 38,000.88
  4. Step 4: Simplify right side
    108,105.84x = 6,162,503,907.31
  5. Step 5: Solve for x
    x = 6,162,503,907.31/108,105.84
  6. Step 6: Final answer
    x = 57,004.36

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1.5x scale

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.