Home / 71,455.11-107,089.23-29,285.82

Finding the Fourth Proportional to 71,455.11, 107,089.23 and 29,285.82

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Solution

The fourth proportional to 71,455.11, 107,089.23 and 29,285.82 is: 43,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,455.11 : 107,089.23 = 29,285.82 : x
  2. Step 2: Convert to fraction form
    71,455.11/107,089.23 = 29,285.82/x
  3. Step 3: Cross multiply
    71,455.11x = 107,089.23 × 29,285.82
  4. Step 4: Simplify right side
    71,455.11x = 3,136,195,913.72
  5. Step 5: Solve for x
    x = 3,136,195,913.72/71,455.11
  6. Step 6: Final answer
    x = 43,890.44

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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.