Home / 55,197.72-82,722.06-39,580.92

Finding the Fourth Proportional to 55,197.72, 82,722.06 and 39,580.92

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Solution

The fourth proportional to 55,197.72, 82,722.06 and 39,580.92 is: 59,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,197.72 : 82,722.06 = 39,580.92 : x
  2. Step 2: Convert to fraction form
    55,197.72/82,722.06 = 39,580.92/x
  3. Step 3: Cross multiply
    55,197.72x = 82,722.06 × 39,580.92
  4. Step 4: Simplify right side
    55,197.72x = 3,274,215,239.10
  5. Step 5: Solve for x
    x = 3,274,215,239.10/55,197.72
  6. Step 6: Final answer
    x = 59,317.94

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1.5x scale

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.