Home / 108,266.75-162,397.40-29,378.93

Finding the Fourth Proportional to 108,266.75, 162,397.40 and 29,378.93

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Solution

The fourth proportional to 108,266.75, 162,397.40 and 29,378.93 is: 44,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,266.75 : 162,397.40 = 29,378.93 : x
  2. Step 2: Convert to fraction form
    108,266.75/162,397.40 = 29,378.93/x
  3. Step 3: Cross multiply
    108,266.75x = 162,397.40 × 29,378.93
  4. Step 4: Simplify right side
    108,266.75x = 4,771,061,521.09
  5. Step 5: Solve for x
    x = 4,771,061,521.09/108,266.75
  6. Step 6: Final answer
    x = 44,067.65

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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.