Home / 56,768.55-85,155.16-21,226.27

Finding the Fourth Proportional to 56,768.55, 85,155.16 and 21,226.27

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Solution

The fourth proportional to 56,768.55, 85,155.16 and 21,226.27 is: 31,840.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,768.55 : 85,155.16 = 21,226.27 : x
  2. Step 2: Convert to fraction form
    56,768.55/85,155.16 = 21,226.27/x
  3. Step 3: Cross multiply
    56,768.55x = 85,155.16 × 21,226.27
  4. Step 4: Simplify right side
    56,768.55x = 1,807,526,152.10
  5. Step 5: Solve for x
    x = 1,807,526,152.10/56,768.55
  6. Step 6: Final answer
    x = 31,840.27

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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.