Home / 52,872.83-72,965.64-28,999.44

Finding the Fourth Proportional to 52,872.83, 72,965.64 and 28,999.44

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Solution

The fourth proportional to 52,872.83, 72,965.64 and 28,999.44 is: 40,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,872.83 : 72,965.64 = 28,999.44 : x
  2. Step 2: Convert to fraction form
    52,872.83/72,965.64 = 28,999.44/x
  3. Step 3: Cross multiply
    52,872.83x = 72,965.64 × 28,999.44
  4. Step 4: Simplify right side
    52,872.83x = 2,115,962,699.24
  5. Step 5: Solve for x
    x = 2,115,962,699.24/52,872.83
  6. Step 6: Final answer
    x = 40,019.85

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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.