Home / 55,252.40-82,878.60-34,257.20

Finding the Fourth Proportional to 55,252.40, 82,878.60 and 34,257.20

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Solution

The fourth proportional to 55,252.40, 82,878.60 and 34,257.20 is: 51,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,252.40 : 82,878.60 = 34,257.20 : x
  2. Step 2: Convert to fraction form
    55,252.40/82,878.60 = 34,257.20/x
  3. Step 3: Cross multiply
    55,252.40x = 82,878.60 × 34,257.20
  4. Step 4: Simplify right side
    55,252.40x = 2,839,188,775.92
  5. Step 5: Solve for x
    x = 2,839,188,775.92/55,252.40
  6. Step 6: Final answer
    x = 51,385.80

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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.