Home / 74,889.27-112,302.68-30,485.88

Finding the Fourth Proportional to 74,889.27, 112,302.68 and 30,485.88

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Solution

The fourth proportional to 74,889.27, 112,302.68 and 30,485.88 is: 45,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,889.27 : 112,302.68 = 30,485.88 : x
  2. Step 2: Convert to fraction form
    74,889.27/112,302.68 = 30,485.88/x
  3. Step 3: Cross multiply
    74,889.27x = 112,302.68 × 30,485.88
  4. Step 4: Simplify right side
    74,889.27x = 3,423,645,873.73
  5. Step 5: Solve for x
    x = 3,423,645,873.73/74,889.27
  6. Step 6: Final answer
    x = 45,716.11

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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.