Home / 103,335.40-155,003.10-36,850.60

Finding the Fourth Proportional to 103,335.40, 155,003.10 and 36,850.60

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Solution

The fourth proportional to 103,335.40, 155,003.10 and 36,850.60 is: 55,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,335.40 : 155,003.10 = 36,850.60 : x
  2. Step 2: Convert to fraction form
    103,335.40/155,003.10 = 36,850.60/x
  3. Step 3: Cross multiply
    103,335.40x = 155,003.10 × 36,850.60
  4. Step 4: Simplify right side
    103,335.40x = 5,711,957,236.86
  5. Step 5: Solve for x
    x = 5,711,957,236.86/103,335.40
  6. Step 6: Final answer
    x = 55,275.90

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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.