Home / 84,529.98-126,787.64-51,240.24

Finding the Fourth Proportional to 84,529.98, 126,787.64 and 51,240.24

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Solution

The fourth proportional to 84,529.98, 126,787.64 and 51,240.24 is: 76,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,529.98 : 126,787.64 = 51,240.24 : x
  2. Step 2: Convert to fraction form
    84,529.98/126,787.64 = 51,240.24/x
  3. Step 3: Cross multiply
    84,529.98x = 126,787.64 × 51,240.24
  4. Step 4: Simplify right side
    84,529.98x = 6,496,628,846.43
  5. Step 5: Solve for x
    x = 6,496,628,846.43/84,529.98
  6. Step 6: Final answer
    x = 76,855.91

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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.