Home / 74,834.20-112,154.46-30,409.39

Finding the Fourth Proportional to 74,834.20, 112,154.46 and 30,409.39

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Solution

The fourth proportional to 74,834.20, 112,154.46 and 30,409.39 is: 45,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,834.20 : 112,154.46 = 30,409.39 : x
  2. Step 2: Convert to fraction form
    74,834.20/112,154.46 = 30,409.39/x
  3. Step 3: Cross multiply
    74,834.20x = 112,154.46 × 30,409.39
  4. Step 4: Simplify right side
    74,834.20x = 3,410,548,714.38
  5. Step 5: Solve for x
    x = 3,410,548,714.38/74,834.20
  6. Step 6: Final answer
    x = 45,574.73

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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.