Home / 63,180.61-87,204.20-36,338.63

Finding the Fourth Proportional to 63,180.61, 87,204.20 and 36,338.63

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Solution

The fourth proportional to 63,180.61, 87,204.20 and 36,338.63 is: 50,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,180.61 : 87,204.20 = 36,338.63 : x
  2. Step 2: Convert to fraction form
    63,180.61/87,204.20 = 36,338.63/x
  3. Step 3: Cross multiply
    63,180.61x = 87,204.20 × 36,338.63
  4. Step 4: Simplify right side
    63,180.61x = 3,168,880,540.53
  5. Step 5: Solve for x
    x = 3,168,880,540.53/63,180.61
  6. Step 6: Final answer
    x = 50,155.90

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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.