Home / 55,579.40-76,709.26-32,931.14

Finding the Fourth Proportional to 55,579.40, 76,709.26 and 32,931.14

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Solution

The fourth proportional to 55,579.40, 76,709.26 and 32,931.14 is: 45,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.40 : 76,709.26 = 32,931.14 : x
  2. Step 2: Convert to fraction form
    55,579.40/76,709.26 = 32,931.14/x
  3. Step 3: Cross multiply
    55,579.40x = 76,709.26 × 32,931.14
  4. Step 4: Simplify right side
    55,579.40x = 2,526,123,380.36
  5. Step 5: Solve for x
    x = 2,526,123,380.36/55,579.40
  6. Step 6: Final answer
    x = 45,450.71

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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.