Home / 90,533.45-124,923.38-54,226.39

Finding the Fourth Proportional to 90,533.45, 124,923.38 and 54,226.39

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Solution

The fourth proportional to 90,533.45, 124,923.38 and 54,226.39 is: 74,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,533.45 : 124,923.38 = 54,226.39 : x
  2. Step 2: Convert to fraction form
    90,533.45/124,923.38 = 54,226.39/x
  3. Step 3: Cross multiply
    90,533.45x = 124,923.38 × 54,226.39
  4. Step 4: Simplify right side
    90,533.45x = 6,774,143,340.56
  5. Step 5: Solve for x
    x = 6,774,143,340.56/90,533.45
  6. Step 6: Final answer
    x = 74,824.76

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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.