Home / 105,235.20-157,874.13-38,675.88

Finding the Fourth Proportional to 105,235.20, 157,874.13 and 38,675.88

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Solution

The fourth proportional to 105,235.20, 157,874.13 and 38,675.88 is: 58,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,235.20 : 157,874.13 = 38,675.88 : x
  2. Step 2: Convert to fraction form
    105,235.20/157,874.13 = 38,675.88/x
  3. Step 3: Cross multiply
    105,235.20x = 157,874.13 × 38,675.88
  4. Step 4: Simplify right side
    105,235.20x = 6,105,920,906.98
  5. Step 5: Solve for x
    x = 6,105,920,906.98/105,235.20
  6. Step 6: Final answer
    x = 58,021.66

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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.