Home / 53,865.46-80,672.91-51,996.70

Finding the Fourth Proportional to 53,865.46, 80,672.91 and 51,996.70

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Solution

The fourth proportional to 53,865.46, 80,672.91 and 51,996.70 is: 77,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,865.46 : 80,672.91 = 51,996.70 : x
  2. Step 2: Convert to fraction form
    53,865.46/80,672.91 = 51,996.70/x
  3. Step 3: Cross multiply
    53,865.46x = 80,672.91 × 51,996.70
  4. Step 4: Simplify right side
    53,865.46x = 4,194,725,099.40
  5. Step 5: Solve for x
    x = 4,194,725,099.40/53,865.46
  6. Step 6: Final answer
    x = 77,874.12

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1.5x scale

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.