Home / 97,558.40-146,098.76-80,587.58

Finding the Fourth Proportional to 97,558.40, 146,098.76 and 80,587.58

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Solution

The fourth proportional to 97,558.40, 146,098.76 and 80,587.58 is: 120,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,558.40 : 146,098.76 = 80,587.58 : x
  2. Step 2: Convert to fraction form
    97,558.40/146,098.76 = 80,587.58/x
  3. Step 3: Cross multiply
    97,558.40x = 146,098.76 × 80,587.58
  4. Step 4: Simplify right side
    97,558.40x = 11,773,744,375.97
  5. Step 5: Solve for x
    x = 11,773,744,375.97/97,558.40
  6. Step 6: Final answer
    x = 120,684.07

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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.