Home / 56,687.90-85,022.28-16,158.56

Finding the Fourth Proportional to 56,687.90, 85,022.28 and 16,158.56

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Solution

The fourth proportional to 56,687.90, 85,022.28 and 16,158.56 is: 24,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,687.90 : 85,022.28 = 16,158.56 : x
  2. Step 2: Convert to fraction form
    56,687.90/85,022.28 = 16,158.56/x
  3. Step 3: Cross multiply
    56,687.90x = 85,022.28 × 16,158.56
  4. Step 4: Simplify right side
    56,687.90x = 1,373,837,187.61
  5. Step 5: Solve for x
    x = 1,373,837,187.61/56,687.90
  6. Step 6: Final answer
    x = 24,235.11

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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.