Home / 51,780.33-77,503.43-26,785.96

Finding the Fourth Proportional to 51,780.33, 77,503.43 and 26,785.96

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Solution

The fourth proportional to 51,780.33, 77,503.43 and 26,785.96 is: 40,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,780.33 : 77,503.43 = 26,785.96 : x
  2. Step 2: Convert to fraction form
    51,780.33/77,503.43 = 26,785.96/x
  3. Step 3: Cross multiply
    51,780.33x = 77,503.43 × 26,785.96
  4. Step 4: Simplify right side
    51,780.33x = 2,076,003,649.05
  5. Step 5: Solve for x
    x = 2,076,003,649.05/51,780.33
  6. Step 6: Final answer
    x = 40,092.51

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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.