Home / 56,932.24-78,563.64-31,776.88

Finding the Fourth Proportional to 56,932.24, 78,563.64 and 31,776.88

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Solution

The fourth proportional to 56,932.24, 78,563.64 and 31,776.88 is: 43,850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,932.24 : 78,563.64 = 31,776.88 : x
  2. Step 2: Convert to fraction form
    56,932.24/78,563.64 = 31,776.88/x
  3. Step 3: Cross multiply
    56,932.24x = 78,563.64 × 31,776.88
  4. Step 4: Simplify right side
    56,932.24x = 2,496,507,360.64
  5. Step 5: Solve for x
    x = 2,496,507,360.64/56,932.24
  6. Step 6: Final answer
    x = 43,850.50

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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.