Home / 52,566.12-72,540.18-28,692.72

Finding the Fourth Proportional to 52,566.12, 72,540.18 and 28,692.72

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Solution

The fourth proportional to 52,566.12, 72,540.18 and 28,692.72 is: 39,595.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,566.12 : 72,540.18 = 28,692.72 : x
  2. Step 2: Convert to fraction form
    52,566.12/72,540.18 = 28,692.72/x
  3. Step 3: Cross multiply
    52,566.12x = 72,540.18 × 28,692.72
  4. Step 4: Simplify right side
    52,566.12x = 2,081,375,073.49
  5. Step 5: Solve for x
    x = 2,081,375,073.49/52,566.12
  6. Step 6: Final answer
    x = 39,595.37

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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.