Home / 56,664.80-85,000.24-17,223.20

Finding the Fourth Proportional to 56,664.80, 85,000.24 and 17,223.20

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Solution

The fourth proportional to 56,664.80, 85,000.24 and 17,223.20 is: 25,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,664.80 : 85,000.24 = 17,223.20 : x
  2. Step 2: Convert to fraction form
    56,664.80/85,000.24 = 17,223.20/x
  3. Step 3: Cross multiply
    56,664.80x = 85,000.24 × 17,223.20
  4. Step 4: Simplify right side
    56,664.80x = 1,463,976,133.57
  5. Step 5: Solve for x
    x = 1,463,976,133.57/56,664.80
  6. Step 6: Final answer
    x = 25,835.72

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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.