Home / 97,769.60-146,659.20-51,113.60

Finding the Fourth Proportional to 97,769.60, 146,659.20 and 51,113.60

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Solution

The fourth proportional to 97,769.60, 146,659.20 and 51,113.60 is: 76,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,769.60 : 146,659.20 = 51,113.60 : x
  2. Step 2: Convert to fraction form
    97,769.60/146,659.20 = 51,113.60/x
  3. Step 3: Cross multiply
    97,769.60x = 146,659.20 × 51,113.60
  4. Step 4: Simplify right side
    97,769.60x = 7,496,279,685.12
  5. Step 5: Solve for x
    x = 7,496,279,685.12/97,769.60
  6. Step 6: Final answer
    x = 76,672.91

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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.