Home / 108,033.12-162,065.88-37,900.08

Finding the Fourth Proportional to 108,033.12, 162,065.88 and 37,900.08

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Solution

The fourth proportional to 108,033.12, 162,065.88 and 37,900.08 is: 56,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,033.12 : 162,065.88 = 37,900.08 : x
  2. Step 2: Convert to fraction form
    108,033.12/162,065.88 = 37,900.08/x
  3. Step 3: Cross multiply
    108,033.12x = 162,065.88 × 37,900.08
  4. Step 4: Simplify right side
    108,033.12x = 6,142,309,817.27
  5. Step 5: Solve for x
    x = 6,142,309,817.27/108,033.12
  6. Step 6: Final answer
    x = 56,855.80

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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.