Home / 55,343.76-76,372.11-32,690.09

Finding the Fourth Proportional to 55,343.76, 76,372.11 and 32,690.09

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Solution

The fourth proportional to 55,343.76, 76,372.11 and 32,690.09 is: 45,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,343.76 : 76,372.11 = 32,690.09 : x
  2. Step 2: Convert to fraction form
    55,343.76/76,372.11 = 32,690.09/x
  3. Step 3: Cross multiply
    55,343.76x = 76,372.11 × 32,690.09
  4. Step 4: Simplify right side
    55,343.76x = 2,496,610,767.53
  5. Step 5: Solve for x
    x = 2,496,610,767.53/55,343.76
  6. Step 6: Final answer
    x = 45,110.97

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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.