Home / 106,081.56-146,390.64-58,335.04

Finding the Fourth Proportional to 106,081.56, 146,390.64 and 58,335.04

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Solution

The fourth proportional to 106,081.56, 146,390.64 and 58,335.04 is: 80,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,081.56 : 146,390.64 = 58,335.04 : x
  2. Step 2: Convert to fraction form
    106,081.56/146,390.64 = 58,335.04/x
  3. Step 3: Cross multiply
    106,081.56x = 146,390.64 × 58,335.04
  4. Step 4: Simplify right side
    106,081.56x = 8,539,703,840.03
  5. Step 5: Solve for x
    x = 8,539,703,840.03/106,081.56
  6. Step 6: Final answer
    x = 80,501.30

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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.