Home / 56,505.28-84,754.16-23,216.72

Finding the Fourth Proportional to 56,505.28, 84,754.16 and 23,216.72

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Solution

The fourth proportional to 56,505.28, 84,754.16 and 23,216.72 is: 34,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,505.28 : 84,754.16 = 23,216.72 : x
  2. Step 2: Convert to fraction form
    56,505.28/84,754.16 = 23,216.72/x
  3. Step 3: Cross multiply
    56,505.28x = 84,754.16 × 23,216.72
  4. Step 4: Simplify right side
    56,505.28x = 1,967,713,601.56
  5. Step 5: Solve for x
    x = 1,967,713,601.56/56,505.28
  6. Step 6: Final answer
    x = 34,823.54

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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.