Home / 55,565.22-76,679.22-31,692.28

Finding the Fourth Proportional to 55,565.22, 76,679.22 and 31,692.28

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Solution

The fourth proportional to 55,565.22, 76,679.22 and 31,692.28 is: 43,734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,565.22 : 76,679.22 = 31,692.28 : x
  2. Step 2: Convert to fraction form
    55,565.22/76,679.22 = 31,692.28/x
  3. Step 3: Cross multiply
    55,565.22x = 76,679.22 × 31,692.28
  4. Step 4: Simplify right side
    55,565.22x = 2,430,139,310.42
  5. Step 5: Solve for x
    x = 2,430,139,310.42/55,565.22
  6. Step 6: Final answer
    x = 43,734.90

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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.