Home / 90,844.56-125,364.60-50,557.64

Finding the Fourth Proportional to 90,844.56, 125,364.60 and 50,557.64

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Solution

The fourth proportional to 90,844.56, 125,364.60 and 50,557.64 is: 69,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,844.56 : 125,364.60 = 50,557.64 : x
  2. Step 2: Convert to fraction form
    90,844.56/125,364.60 = 50,557.64/x
  3. Step 3: Cross multiply
    90,844.56x = 125,364.60 × 50,557.64
  4. Step 4: Simplify right side
    90,844.56x = 6,338,138,315.54
  5. Step 5: Solve for x
    x = 6,338,138,315.54/90,844.56
  6. Step 6: Final answer
    x = 69,769.05

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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.