Home / 82,122.32-113,346.94-53,391.98

Finding the Fourth Proportional to 82,122.32, 113,346.94 and 53,391.98

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Solution

The fourth proportional to 82,122.32, 113,346.94 and 53,391.98 is: 73,692.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,122.32 : 113,346.94 = 53,391.98 : x
  2. Step 2: Convert to fraction form
    82,122.32/113,346.94 = 53,391.98/x
  3. Step 3: Cross multiply
    82,122.32x = 113,346.94 × 53,391.98
  4. Step 4: Simplify right side
    82,122.32x = 6,051,817,553.54
  5. Step 5: Solve for x
    x = 6,051,817,553.54/82,122.32
  6. Step 6: Final answer
    x = 73,692.73

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1.5x scale

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.