Home / 108,536.20-162,779.70-38,415.52

Finding the Fourth Proportional to 108,536.20, 162,779.70 and 38,415.52

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Solution

The fourth proportional to 108,536.20, 162,779.70 and 38,415.52 is: 57,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,536.20 : 162,779.70 = 38,415.52 : x
  2. Step 2: Convert to fraction form
    108,536.20/162,779.70 = 38,415.52/x
  3. Step 3: Cross multiply
    108,536.20x = 162,779.70 × 38,415.52
  4. Step 4: Simplify right side
    108,536.20x = 6,253,266,820.94
  5. Step 5: Solve for x
    x = 6,253,266,820.94/108,536.20
  6. Step 6: Final answer
    x = 57,614.57

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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.