Home / 90,757.32-125,227.15-54,950.64

Finding the Fourth Proportional to 90,757.32, 125,227.15 and 54,950.64

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Solution

The fourth proportional to 90,757.32, 125,227.15 and 54,950.64 is: 75,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,757.32 : 125,227.15 = 54,950.64 : x
  2. Step 2: Convert to fraction form
    90,757.32/125,227.15 = 54,950.64/x
  3. Step 3: Cross multiply
    90,757.32x = 125,227.15 × 54,950.64
  4. Step 4: Simplify right side
    90,757.32x = 6,881,312,037.88
  5. Step 5: Solve for x
    x = 6,881,312,037.88/90,757.32
  6. Step 6: Final answer
    x = 75,821.01

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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.