Home / 92,283.60-138,418.20-36,112.80

Finding the Fourth Proportional to 92,283.60, 138,418.20 and 36,112.80

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Solution

The fourth proportional to 92,283.60, 138,418.20 and 36,112.80 is: 54,166.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,283.60 : 138,418.20 = 36,112.80 : x
  2. Step 2: Convert to fraction form
    92,283.60/138,418.20 = 36,112.80/x
  3. Step 3: Cross multiply
    92,283.60x = 138,418.20 × 36,112.80
  4. Step 4: Simplify right side
    92,283.60x = 4,998,668,772.96
  5. Step 5: Solve for x
    x = 4,998,668,772.96/92,283.60
  6. Step 6: Final answer
    x = 54,166.38

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1.5x scale

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.