Home / 92,012.76-137,915.46-45,298.44

Finding the Fourth Proportional to 92,012.76, 137,915.46 and 45,298.44

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Solution

The fourth proportional to 92,012.76, 137,915.46 and 45,298.44 is: 67,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,012.76 : 137,915.46 = 45,298.44 : x
  2. Step 2: Convert to fraction form
    92,012.76/137,915.46 = 45,298.44/x
  3. Step 3: Cross multiply
    92,012.76x = 137,915.46 × 45,298.44
  4. Step 4: Simplify right side
    92,012.76x = 6,247,355,189.88
  5. Step 5: Solve for x
    x = 6,247,355,189.88/92,012.76
  6. Step 6: Final answer
    x = 67,896.62

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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.