Home / 57,616.10-86,404.35-28,014.86

Finding the Fourth Proportional to 57,616.10, 86,404.35 and 28,014.86

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Solution

The fourth proportional to 57,616.10, 86,404.35 and 28,014.86 is: 42,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,616.10 : 86,404.35 = 28,014.86 : x
  2. Step 2: Convert to fraction form
    57,616.10/86,404.35 = 28,014.86/x
  3. Step 3: Cross multiply
    57,616.10x = 86,404.35 × 28,014.86
  4. Step 4: Simplify right side
    57,616.10x = 2,420,605,768.64
  5. Step 5: Solve for x
    x = 2,420,605,768.64/57,616.10
  6. Step 6: Final answer
    x = 42,012.66

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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.