Home / 136,797.60-205,087.05-57,846.90

Finding the Fourth Proportional to 136,797.60, 205,087.05 and 57,846.90

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Solution

The fourth proportional to 136,797.60, 205,087.05 and 57,846.90 is: 86,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,797.60 : 205,087.05 = 57,846.90 : x
  2. Step 2: Convert to fraction form
    136,797.60/205,087.05 = 57,846.90/x
  3. Step 3: Cross multiply
    136,797.60x = 205,087.05 × 57,846.90
  4. Step 4: Simplify right side
    136,797.60x = 11,863,650,072.65
  5. Step 5: Solve for x
    x = 11,863,650,072.65/136,797.60
  6. Step 6: Final answer
    x = 86,724.11

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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.