Home / 77,553.24-116,305.25-30,165.20

Finding the Fourth Proportional to 77,553.24, 116,305.25 and 30,165.20

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Solution

The fourth proportional to 77,553.24, 116,305.25 and 30,165.20 is: 45,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,553.24 : 116,305.25 = 30,165.20 : x
  2. Step 2: Convert to fraction form
    77,553.24/116,305.25 = 30,165.20/x
  3. Step 3: Cross multiply
    77,553.24x = 116,305.25 × 30,165.20
  4. Step 4: Simplify right side
    77,553.24x = 3,508,371,127.30
  5. Step 5: Solve for x
    x = 3,508,371,127.30/77,553.24
  6. Step 6: Final answer
    x = 45,238.23

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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.