Home / 56,912.92-78,578.70-36,818.44

Finding the Fourth Proportional to 56,912.92, 78,578.70 and 36,818.44

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Solution

The fourth proportional to 56,912.92, 78,578.70 and 36,818.44 is: 50,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,912.92 : 78,578.70 = 36,818.44 : x
  2. Step 2: Convert to fraction form
    56,912.92/78,578.70 = 36,818.44/x
  3. Step 3: Cross multiply
    56,912.92x = 78,578.70 × 36,818.44
  4. Step 4: Simplify right side
    56,912.92x = 2,893,145,151.23
  5. Step 5: Solve for x
    x = 2,893,145,151.23/56,912.92
  6. Step 6: Final answer
    x = 50,834.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.