Home / 77,719.88-116,574.06-30,983.24

Finding the Fourth Proportional to 77,719.88, 116,574.06 and 30,983.24

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Solution

The fourth proportional to 77,719.88, 116,574.06 and 30,983.24 is: 46,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,719.88 : 116,574.06 = 30,983.24 : x
  2. Step 2: Convert to fraction form
    77,719.88/116,574.06 = 30,983.24/x
  3. Step 3: Cross multiply
    77,719.88x = 116,574.06 × 30,983.24
  4. Step 4: Simplify right side
    77,719.88x = 3,611,842,078.75
  5. Step 5: Solve for x
    x = 3,611,842,078.75/77,719.88
  6. Step 6: Final answer
    x = 46,472.56

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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.