Home / 51,431.51-77,147.29-33,773.71

Finding the Fourth Proportional to 51,431.51, 77,147.29 and 33,773.71

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Solution

The fourth proportional to 51,431.51, 77,147.29 and 33,773.71 is: 50,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,431.51 : 77,147.29 = 33,773.71 : x
  2. Step 2: Convert to fraction form
    51,431.51/77,147.29 = 33,773.71/x
  3. Step 3: Cross multiply
    51,431.51x = 77,147.29 × 33,773.71
  4. Step 4: Simplify right side
    51,431.51x = 2,605,550,003.77
  5. Step 5: Solve for x
    x = 2,605,550,003.77/51,431.51
  6. Step 6: Final answer
    x = 50,660.58

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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.