Home / 76,750.64-114,563.04-71,122.17

Finding the Fourth Proportional to 76,750.64, 114,563.04 and 71,122.17

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Solution

The fourth proportional to 76,750.64, 114,563.04 and 71,122.17 is: 106,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,750.64 : 114,563.04 = 71,122.17 : x
  2. Step 2: Convert to fraction form
    76,750.64/114,563.04 = 71,122.17/x
  3. Step 3: Cross multiply
    76,750.64x = 114,563.04 × 71,122.17
  4. Step 4: Simplify right side
    76,750.64x = 8,147,972,006.60
  5. Step 5: Solve for x
    x = 8,147,972,006.60/76,750.64
  6. Step 6: Final answer
    x = 106,161.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.