Home / 76,859.44-114,525.10-68,475.03

Finding the Fourth Proportional to 76,859.44, 114,525.10 and 68,475.03

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Solution

The fourth proportional to 76,859.44, 114,525.10 and 68,475.03 is: 102,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,859.44 : 114,525.10 = 68,475.03 : x
  2. Step 2: Convert to fraction form
    76,859.44/114,525.10 = 68,475.03/x
  3. Step 3: Cross multiply
    76,859.44x = 114,525.10 × 68,475.03
  4. Step 4: Simplify right side
    76,859.44x = 7,842,109,658.25
  5. Step 5: Solve for x
    x = 7,842,109,658.25/76,859.44
  6. Step 6: Final answer
    x = 102,031.83

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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.