Home / 72,195.16-99,589.32-41,977.14

Finding the Fourth Proportional to 72,195.16, 99,589.32 and 41,977.14

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Solution

The fourth proportional to 72,195.16, 99,589.32 and 41,977.14 is: 57,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,195.16 : 99,589.32 = 41,977.14 : x
  2. Step 2: Convert to fraction form
    72,195.16/99,589.32 = 41,977.14/x
  3. Step 3: Cross multiply
    72,195.16x = 99,589.32 × 41,977.14
  4. Step 4: Simplify right side
    72,195.16x = 4,180,474,330.20
  5. Step 5: Solve for x
    x = 4,180,474,330.20/72,195.16
  6. Step 6: Final answer
    x = 57,905.19

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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.