Home / 72,194.44-99,625.03-39,929.35

Finding the Fourth Proportional to 72,194.44, 99,625.03 and 39,929.35

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Solution

The fourth proportional to 72,194.44, 99,625.03 and 39,929.35 is: 55,100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,194.44 : 99,625.03 = 39,929.35 : x
  2. Step 2: Convert to fraction form
    72,194.44/99,625.03 = 39,929.35/x
  3. Step 3: Cross multiply
    72,194.44x = 99,625.03 × 39,929.35
  4. Step 4: Simplify right side
    72,194.44x = 3,977,962,342.74
  5. Step 5: Solve for x
    x = 3,977,962,342.74/72,194.44
  6. Step 6: Final answer
    x = 55,100.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.