Home / 74,941.59-112,379.45-39,872.91

Finding the Fourth Proportional to 74,941.59, 112,379.45 and 39,872.91

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Solution

The fourth proportional to 74,941.59, 112,379.45 and 39,872.91 is: 59,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,941.59 : 112,379.45 = 39,872.91 : x
  2. Step 2: Convert to fraction form
    74,941.59/112,379.45 = 39,872.91/x
  3. Step 3: Cross multiply
    74,941.59x = 112,379.45 × 39,872.91
  4. Step 4: Simplify right side
    74,941.59x = 4,480,895,496.33
  5. Step 5: Solve for x
    x = 4,480,895,496.33/74,941.59
  6. Step 6: Final answer
    x = 59,791.84

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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.