Home / 88,429.60-132,644.40-51,104.80

Finding the Fourth Proportional to 88,429.60, 132,644.40 and 51,104.80

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Solution

The fourth proportional to 88,429.60, 132,644.40 and 51,104.80 is: 76,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,429.60 : 132,644.40 = 51,104.80 : x
  2. Step 2: Convert to fraction form
    88,429.60/132,644.40 = 51,104.80/x
  3. Step 3: Cross multiply
    88,429.60x = 132,644.40 × 51,104.80
  4. Step 4: Simplify right side
    88,429.60x = 6,778,765,533.12
  5. Step 5: Solve for x
    x = 6,778,765,533.12/88,429.60
  6. Step 6: Final answer
    x = 76,657.20

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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.