Home / 51,003.70-76,505.55-50,712.10

Finding the Fourth Proportional to 51,003.70, 76,505.55 and 50,712.10

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Solution

The fourth proportional to 51,003.70, 76,505.55 and 50,712.10 is: 76,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,003.70 : 76,505.55 = 50,712.10 : x
  2. Step 2: Convert to fraction form
    51,003.70/76,505.55 = 50,712.10/x
  3. Step 3: Cross multiply
    51,003.70x = 76,505.55 × 50,712.10
  4. Step 4: Simplify right side
    51,003.70x = 3,879,757,102.16
  5. Step 5: Solve for x
    x = 3,879,757,102.16/51,003.70
  6. Step 6: Final answer
    x = 76,068.15

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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.