Home / 55,790.16-83,690.50-18,350.54

Finding the Fourth Proportional to 55,790.16, 83,690.50 and 18,350.54

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Solution

The fourth proportional to 55,790.16, 83,690.50 and 18,350.54 is: 27,527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,790.16 : 83,690.50 = 18,350.54 : x
  2. Step 2: Convert to fraction form
    55,790.16/83,690.50 = 18,350.54/x
  3. Step 3: Cross multiply
    55,790.16x = 83,690.50 × 18,350.54
  4. Step 4: Simplify right side
    55,790.16x = 1,535,765,867.87
  5. Step 5: Solve for x
    x = 1,535,765,867.87/55,790.16
  6. Step 6: Final answer
    x = 27,527.54

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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.