Home / 105,872.30-146,101.96-58,125.30

Finding the Fourth Proportional to 105,872.30, 146,101.96 and 58,125.30

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Solution

The fourth proportional to 105,872.30, 146,101.96 and 58,125.30 is: 80,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,872.30 : 146,101.96 = 58,125.30 : x
  2. Step 2: Convert to fraction form
    105,872.30/146,101.96 = 58,125.30/x
  3. Step 3: Cross multiply
    105,872.30x = 146,101.96 × 58,125.30
  4. Step 4: Simplify right side
    105,872.30x = 8,492,220,255.59
  5. Step 5: Solve for x
    x = 8,492,220,255.59/105,872.30
  6. Step 6: Final answer
    x = 80,211.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.