Home / 52,616.22-72,609.48-28,742.28

Finding the Fourth Proportional to 52,616.22, 72,609.48 and 28,742.28

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Solution

The fourth proportional to 52,616.22, 72,609.48 and 28,742.28 is: 39,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,616.22 : 72,609.48 = 28,742.28 : x
  2. Step 2: Convert to fraction form
    52,616.22/72,609.48 = 28,742.28/x
  3. Step 3: Cross multiply
    52,616.22x = 72,609.48 × 28,742.28
  4. Step 4: Simplify right side
    52,616.22x = 2,086,962,042.63
  5. Step 5: Solve for x
    x = 2,086,962,042.63/52,616.22
  6. Step 6: Final answer
    x = 39,663.85

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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.