Home / 88,665.40-133,046.70-36,112.60

Finding the Fourth Proportional to 88,665.40, 133,046.70 and 36,112.60

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Solution

The fourth proportional to 88,665.40, 133,046.70 and 36,112.60 is: 54,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,665.40 : 133,046.70 = 36,112.60 : x
  2. Step 2: Convert to fraction form
    88,665.40/133,046.70 = 36,112.60/x
  3. Step 3: Cross multiply
    88,665.40x = 133,046.70 × 36,112.60
  4. Step 4: Simplify right side
    88,665.40x = 4,804,662,258.42
  5. Step 5: Solve for x
    x = 4,804,662,258.42/88,665.40
  6. Step 6: Final answer
    x = 54,188.69

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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.