Home / 76,634.34-114,802.04-43,253.43

Finding the Fourth Proportional to 76,634.34, 114,802.04 and 43,253.43

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Solution

The fourth proportional to 76,634.34, 114,802.04 and 43,253.43 is: 64,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,634.34 : 114,802.04 = 43,253.43 : x
  2. Step 2: Convert to fraction form
    76,634.34/114,802.04 = 43,253.43/x
  3. Step 3: Cross multiply
    76,634.34x = 114,802.04 × 43,253.43
  4. Step 4: Simplify right side
    76,634.34x = 4,965,581,210.72
  5. Step 5: Solve for x
    x = 4,965,581,210.72/76,634.34
  6. Step 6: Final answer
    x = 64,795.78

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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.