Home / 48,916.40-73,288.20-40,103.60

Finding the Fourth Proportional to 48,916.40, 73,288.20 and 40,103.60

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Solution

The fourth proportional to 48,916.40, 73,288.20 and 40,103.60 is: 60,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,916.40 : 73,288.20 = 40,103.60 : x
  2. Step 2: Convert to fraction form
    48,916.40/73,288.20 = 40,103.60/x
  3. Step 3: Cross multiply
    48,916.40x = 73,288.20 × 40,103.60
  4. Step 4: Simplify right side
    48,916.40x = 2,939,120,657.52
  5. Step 5: Solve for x
    x = 2,939,120,657.52/48,916.40
  6. Step 6: Final answer
    x = 60,084.57

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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.