Home / 97,908.40-146,862.60-51,175.60

Finding the Fourth Proportional to 97,908.40, 146,862.60 and 51,175.60

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Solution

The fourth proportional to 97,908.40, 146,862.60 and 51,175.60 is: 76,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,908.40 : 146,862.60 = 51,175.60 : x
  2. Step 2: Convert to fraction form
    97,908.40/146,862.60 = 51,175.60/x
  3. Step 3: Cross multiply
    97,908.40x = 146,862.60 × 51,175.60
  4. Step 4: Simplify right side
    97,908.40x = 7,515,781,672.56
  5. Step 5: Solve for x
    x = 7,515,781,672.56/97,908.40
  6. Step 6: Final answer
    x = 76,763.40

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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.