Home / 76,211.06-114,283.48-40,664.45

Finding the Fourth Proportional to 76,211.06, 114,283.48 and 40,664.45

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Solution

The fourth proportional to 76,211.06, 114,283.48 and 40,664.45 is: 60,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,211.06 : 114,283.48 = 40,664.45 : x
  2. Step 2: Convert to fraction form
    76,211.06/114,283.48 = 40,664.45/x
  3. Step 3: Cross multiply
    76,211.06x = 114,283.48 × 40,664.45
  4. Step 4: Simplify right side
    76,211.06x = 4,647,274,340.91
  5. Step 5: Solve for x
    x = 4,647,274,340.91/76,211.06
  6. Step 6: Final answer
    x = 60,979.01

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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.