Home / 55,961.55-77,227.92-30,468.64

Finding the Fourth Proportional to 55,961.55, 77,227.92 and 30,468.64

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Solution

The fourth proportional to 55,961.55, 77,227.92 and 30,468.64 is: 42,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,961.55 : 77,227.92 = 30,468.64 : x
  2. Step 2: Convert to fraction form
    55,961.55/77,227.92 = 30,468.64/x
  3. Step 3: Cross multiply
    55,961.55x = 77,227.92 × 30,468.64
  4. Step 4: Simplify right side
    55,961.55x = 2,353,029,692.43
  5. Step 5: Solve for x
    x = 2,353,029,692.43/55,961.55
  6. Step 6: Final answer
    x = 42,047.26

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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.