Home / 75,090.38-112,658.04-43,493.09

Finding the Fourth Proportional to 75,090.38, 112,658.04 and 43,493.09

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Solution

The fourth proportional to 75,090.38, 112,658.04 and 43,493.09 is: 65,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,090.38 : 112,658.04 = 43,493.09 : x
  2. Step 2: Convert to fraction form
    75,090.38/112,658.04 = 43,493.09/x
  3. Step 3: Cross multiply
    75,090.38x = 112,658.04 × 43,493.09
  4. Step 4: Simplify right side
    75,090.38x = 4,899,845,709.65
  5. Step 5: Solve for x
    x = 4,899,845,709.65/75,090.38
  6. Step 6: Final answer
    x = 65,252.65

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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.