Home / 72,195.30-99,589.52-41,977.28

Finding the Fourth Proportional to 72,195.30, 99,589.52 and 41,977.28

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Solution

The fourth proportional to 72,195.30, 99,589.52 and 41,977.28 is: 57,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,195.30 : 99,589.52 = 41,977.28 : x
  2. Step 2: Convert to fraction form
    72,195.30/99,589.52 = 41,977.28/x
  3. Step 3: Cross multiply
    72,195.30x = 99,589.52 × 41,977.28
  4. Step 4: Simplify right side
    72,195.30x = 4,180,497,166.11
  5. Step 5: Solve for x
    x = 4,180,497,166.11/72,195.30
  6. Step 6: Final answer
    x = 57,905.39

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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.