Home / 51,502.20-77,123.70-33,876.60

Finding the Fourth Proportional to 51,502.20, 77,123.70 and 33,876.60

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Solution

The fourth proportional to 51,502.20, 77,123.70 and 33,876.60 is: 50,729.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,502.20 : 77,123.70 = 33,876.60 : x
  2. Step 2: Convert to fraction form
    51,502.20/77,123.70 = 33,876.60/x
  3. Step 3: Cross multiply
    51,502.20x = 77,123.70 × 33,876.60
  4. Step 4: Simplify right side
    51,502.20x = 2,612,688,735.42
  5. Step 5: Solve for x
    x = 2,612,688,735.42/51,502.20
  6. Step 6: Final answer
    x = 50,729.65

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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.