Home / 72,024.48-99,393.60-40,193.04

Finding the Fourth Proportional to 72,024.48, 99,393.60 and 40,193.04

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Solution

The fourth proportional to 72,024.48, 99,393.60 and 40,193.04 is: 55,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,024.48 : 99,393.60 = 40,193.04 : x
  2. Step 2: Convert to fraction form
    72,024.48/99,393.60 = 40,193.04/x
  3. Step 3: Cross multiply
    72,024.48x = 99,393.60 × 40,193.04
  4. Step 4: Simplify right side
    72,024.48x = 3,994,930,940.54
  5. Step 5: Solve for x
    x = 3,994,930,940.54/72,024.48
  6. Step 6: Final answer
    x = 55,466.29

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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.