Home / 53,565.64-73,921.20-29,692.72

Finding the Fourth Proportional to 53,565.64, 73,921.20 and 29,692.72

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Solution

The fourth proportional to 53,565.64, 73,921.20 and 29,692.72 is: 40,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,565.64 : 73,921.20 = 29,692.72 : x
  2. Step 2: Convert to fraction form
    53,565.64/73,921.20 = 29,692.72/x
  3. Step 3: Cross multiply
    53,565.64x = 73,921.20 × 29,692.72
  4. Step 4: Simplify right side
    53,565.64x = 2,194,921,493.66
  5. Step 5: Solve for x
    x = 2,194,921,493.66/53,565.64
  6. Step 6: Final answer
    x = 40,976.30

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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.