Home / 115,262.85-172,852.69-48,708.12

Finding the Fourth Proportional to 115,262.85, 172,852.69 and 48,708.12

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Solution

The fourth proportional to 115,262.85, 172,852.69 and 48,708.12 is: 73,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,262.85 : 172,852.69 = 48,708.12 : x
  2. Step 2: Convert to fraction form
    115,262.85/172,852.69 = 48,708.12/x
  3. Step 3: Cross multiply
    115,262.85x = 172,852.69 × 48,708.12
  4. Step 4: Simplify right side
    115,262.85x = 8,419,329,566.84
  5. Step 5: Solve for x
    x = 8,419,329,566.84/115,262.85
  6. Step 6: Final answer
    x = 73,044.61

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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.