Home / 55,134.40-82,701.60-34,091.20

Finding the Fourth Proportional to 55,134.40, 82,701.60 and 34,091.20

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Solution

The fourth proportional to 55,134.40, 82,701.60 and 34,091.20 is: 51,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134.40 : 82,701.60 = 34,091.20 : x
  2. Step 2: Convert to fraction form
    55,134.40/82,701.60 = 34,091.20/x
  3. Step 3: Cross multiply
    55,134.40x = 82,701.60 × 34,091.20
  4. Step 4: Simplify right side
    55,134.40x = 2,819,396,785.92
  5. Step 5: Solve for x
    x = 2,819,396,785.92/55,134.40
  6. Step 6: Final answer
    x = 51,136.80

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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.