Home / 105,876.14-146,109.35-58,132.58

Finding the Fourth Proportional to 105,876.14, 146,109.35 and 58,132.58

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Solution

The fourth proportional to 105,876.14, 146,109.35 and 58,132.58 is: 80,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,876.14 : 146,109.35 = 58,132.58 : x
  2. Step 2: Convert to fraction form
    105,876.14/146,109.35 = 58,132.58/x
  3. Step 3: Cross multiply
    105,876.14x = 146,109.35 × 58,132.58
  4. Step 4: Simplify right side
    105,876.14x = 8,493,712,892.41
  5. Step 5: Solve for x
    x = 8,493,712,892.41/105,876.14
  6. Step 6: Final answer
    x = 80,223.11

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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.