Home / 108,566.10-162,810.75-51,633.30

Finding the Fourth Proportional to 108,566.10, 162,810.75 and 51,633.30

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Solution

The fourth proportional to 108,566.10, 162,810.75 and 51,633.30 is: 77,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,566.10 : 162,810.75 = 51,633.30 : x
  2. Step 2: Convert to fraction form
    108,566.10/162,810.75 = 51,633.30/x
  3. Step 3: Cross multiply
    108,566.10x = 162,810.75 × 51,633.30
  4. Step 4: Simplify right side
    108,566.10x = 8,406,456,297.98
  5. Step 5: Solve for x
    x = 8,406,456,297.98/108,566.10
  6. Step 6: Final answer
    x = 77,431.69

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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.