Home / 77,494.32-116,299.26-30,116.88

Finding the Fourth Proportional to 77,494.32, 116,299.26 and 30,116.88

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Solution

The fourth proportional to 77,494.32, 116,299.26 and 30,116.88 is: 45,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,494.32 : 116,299.26 = 30,116.88 : x
  2. Step 2: Convert to fraction form
    77,494.32/116,299.26 = 30,116.88/x
  3. Step 3: Cross multiply
    77,494.32x = 116,299.26 × 30,116.88
  4. Step 4: Simplify right side
    77,494.32x = 3,502,570,857.51
  5. Step 5: Solve for x
    x = 3,502,570,857.51/77,494.32
  6. Step 6: Final answer
    x = 45,197.78

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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.