Home / 89,801.85-123,977.15-59,628.41

Finding the Fourth Proportional to 89,801.85, 123,977.15 and 59,628.41

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Solution

The fourth proportional to 89,801.85, 123,977.15 and 59,628.41 is: 82,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,801.85 : 123,977.15 = 59,628.41 : x
  2. Step 2: Convert to fraction form
    89,801.85/123,977.15 = 59,628.41/x
  3. Step 3: Cross multiply
    89,801.85x = 123,977.15 × 59,628.41
  4. Step 4: Simplify right side
    89,801.85x = 7,392,560,330.83
  5. Step 5: Solve for x
    x = 7,392,560,330.83/89,801.85
  6. Step 6: Final answer
    x = 82,320.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.