Home / 65,519.96-90,389.09-41,633.83

Finding the Fourth Proportional to 65,519.96, 90,389.09 and 41,633.83

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Solution

The fourth proportional to 65,519.96, 90,389.09 and 41,633.83 is: 57,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,519.96 : 90,389.09 = 41,633.83 : x
  2. Step 2: Convert to fraction form
    65,519.96/90,389.09 = 41,633.83/x
  3. Step 3: Cross multiply
    65,519.96x = 90,389.09 × 41,633.83
  4. Step 4: Simplify right side
    65,519.96x = 3,763,243,885.03
  5. Step 5: Solve for x
    x = 3,763,243,885.03/65,519.96
  6. Step 6: Final answer
    x = 57,436.60

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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.