Home / 56,876.13-85,199.99-28,327.05

Finding the Fourth Proportional to 56,876.13, 85,199.99 and 28,327.05

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Solution

The fourth proportional to 56,876.13, 85,199.99 and 28,327.05 is: 42,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,876.13 : 85,199.99 = 28,327.05 : x
  2. Step 2: Convert to fraction form
    56,876.13/85,199.99 = 28,327.05/x
  3. Step 3: Cross multiply
    56,876.13x = 85,199.99 × 28,327.05
  4. Step 4: Simplify right side
    56,876.13x = 2,413,464,235.09
  5. Step 5: Solve for x
    x = 2,413,464,235.09/56,876.13
  6. Step 6: Final answer
    x = 42,433.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.