Home / 76,168.40-114,275.94-34,083.90

Finding the Fourth Proportional to 76,168.40, 114,275.94 and 34,083.90

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Solution

The fourth proportional to 76,168.40, 114,275.94 and 34,083.90 is: 51,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,168.40 : 114,275.94 = 34,083.90 : x
  2. Step 2: Convert to fraction form
    76,168.40/114,275.94 = 34,083.90/x
  3. Step 3: Cross multiply
    76,168.40x = 114,275.94 × 34,083.90
  4. Step 4: Simplify right side
    76,168.40x = 3,894,969,711.37
  5. Step 5: Solve for x
    x = 3,894,969,711.37/76,168.40
  6. Step 6: Final answer
    x = 51,136.29

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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.