Home / 51,876.30-71,878.40-50,755.26

Finding the Fourth Proportional to 51,876.30, 71,878.40 and 50,755.26

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Solution

The fourth proportional to 51,876.30, 71,878.40 and 50,755.26 is: 70,325.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,876.30 : 71,878.40 = 50,755.26 : x
  2. Step 2: Convert to fraction form
    51,876.30/71,878.40 = 50,755.26/x
  3. Step 3: Cross multiply
    51,876.30x = 71,878.40 × 50,755.26
  4. Step 4: Simplify right side
    51,876.30x = 3,648,206,880.38
  5. Step 5: Solve for x
    x = 3,648,206,880.38/51,876.30
  6. Step 6: Final answer
    x = 70,325.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.