Home / 106,432.64-146,863.20-61,112.60

Finding the Fourth Proportional to 106,432.64, 146,863.20 and 61,112.60

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Solution

The fourth proportional to 106,432.64, 146,863.20 and 61,112.60 is: 84,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,432.64 : 146,863.20 = 61,112.60 : x
  2. Step 2: Convert to fraction form
    106,432.64/146,863.20 = 61,112.60/x
  3. Step 3: Cross multiply
    106,432.64x = 146,863.20 × 61,112.60
  4. Step 4: Simplify right side
    106,432.64x = 8,975,191,996.32
  5. Step 5: Solve for x
    x = 8,975,191,996.32/106,432.64
  6. Step 6: Final answer
    x = 84,327.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.