Home / 108,538.90-162,731.55-41,953.30

Finding the Fourth Proportional to 108,538.90, 162,731.55 and 41,953.30

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Solution

The fourth proportional to 108,538.90, 162,731.55 and 41,953.30 is: 62,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,538.90 : 162,731.55 = 41,953.30 : x
  2. Step 2: Convert to fraction form
    108,538.90/162,731.55 = 41,953.30/x
  3. Step 3: Cross multiply
    108,538.90x = 162,731.55 × 41,953.30
  4. Step 4: Simplify right side
    108,538.90x = 6,827,125,536.62
  5. Step 5: Solve for x
    x = 6,827,125,536.62/108,538.90
  6. Step 6: Final answer
    x = 62,900.26

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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.