Home / 92,433.60-138,650.40-33,271.20

Finding the Fourth Proportional to 92,433.60, 138,650.40 and 33,271.20

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Solution

The fourth proportional to 92,433.60, 138,650.40 and 33,271.20 is: 49,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,433.60 : 138,650.40 = 33,271.20 : x
  2. Step 2: Convert to fraction form
    92,433.60/138,650.40 = 33,271.20/x
  3. Step 3: Cross multiply
    92,433.60x = 138,650.40 × 33,271.20
  4. Step 4: Simplify right side
    92,433.60x = 4,613,065,188.48
  5. Step 5: Solve for x
    x = 4,613,065,188.48/92,433.60
  6. Step 6: Final answer
    x = 49,906.80

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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.