Home / 55,111.60-82,667.40-32,993.20

Finding the Fourth Proportional to 55,111.60, 82,667.40 and 32,993.20

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Solution

The fourth proportional to 55,111.60, 82,667.40 and 32,993.20 is: 49,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,111.60 : 82,667.40 = 32,993.20 : x
  2. Step 2: Convert to fraction form
    55,111.60/82,667.40 = 32,993.20/x
  3. Step 3: Cross multiply
    55,111.60x = 82,667.40 × 32,993.20
  4. Step 4: Simplify right side
    55,111.60x = 2,727,462,061.68
  5. Step 5: Solve for x
    x = 2,727,462,061.68/55,111.60
  6. Step 6: Final answer
    x = 49,489.80

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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.