Home / 77,563.17-107,077.77-52,202.88

Finding the Fourth Proportional to 77,563.17, 107,077.77 and 52,202.88

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Solution

The fourth proportional to 77,563.17, 107,077.77 and 52,202.88 is: 72,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,563.17 : 107,077.77 = 52,202.88 : x
  2. Step 2: Convert to fraction form
    77,563.17/107,077.77 = 52,202.88/x
  3. Step 3: Cross multiply
    77,563.17x = 107,077.77 × 52,202.88
  4. Step 4: Simplify right side
    77,563.17x = 5,589,767,977.98
  5. Step 5: Solve for x
    x = 5,589,767,977.98/77,563.17
  6. Step 6: Final answer
    x = 72,067.30

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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.