Home / 75,041.27-112,462.67-39,429.82

Finding the Fourth Proportional to 75,041.27, 112,462.67 and 39,429.82

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Solution

The fourth proportional to 75,041.27, 112,462.67 and 39,429.82 is: 59,092.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,041.27 : 112,462.67 = 39,429.82 : x
  2. Step 2: Convert to fraction form
    75,041.27/112,462.67 = 39,429.82/x
  3. Step 3: Cross multiply
    75,041.27x = 112,462.67 × 39,429.82
  4. Step 4: Simplify right side
    75,041.27x = 4,434,383,073.97
  5. Step 5: Solve for x
    x = 4,434,383,073.97/75,041.27
  6. Step 6: Final answer
    x = 59,092.59

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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.