Home / 90,773.42-135,926.85-55,606.46

Finding the Fourth Proportional to 90,773.42, 135,926.85 and 55,606.46

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Solution

The fourth proportional to 90,773.42, 135,926.85 and 55,606.46 is: 83,266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,773.42 : 135,926.85 = 55,606.46 : x
  2. Step 2: Convert to fraction form
    90,773.42/135,926.85 = 55,606.46/x
  3. Step 3: Cross multiply
    90,773.42x = 135,926.85 × 55,606.46
  4. Step 4: Simplify right side
    90,773.42x = 7,558,410,947.45
  5. Step 5: Solve for x
    x = 7,558,410,947.45/90,773.42
  6. Step 6: Final answer
    x = 83,266.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.