Home / 63,755.20-87,976-36,892.36

Finding the Fourth Proportional to 63,755.20, 87,976 and 36,892.36

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Solution

The fourth proportional to 63,755.20, 87,976 and 36,892.36 is: 50,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,755.20 : 87,976 = 36,892.36 : x
  2. Step 2: Convert to fraction form
    63,755.20/87,976 = 36,892.36/x
  3. Step 3: Cross multiply
    63,755.20x = 87,976 × 36,892.36
  4. Step 4: Simplify right side
    63,755.20x = 3,245,642,263.36
  5. Step 5: Solve for x
    x = 3,245,642,263.36/63,755.20
  6. Step 6: Final answer
    x = 50,907.88

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1.5x scale

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.