Home / 56,815.80-85,223.69-17,372.91

Finding the Fourth Proportional to 56,815.80, 85,223.69 and 17,372.91

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Solution

The fourth proportional to 56,815.80, 85,223.69 and 17,372.91 is: 26,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,815.80 : 85,223.69 = 17,372.91 : x
  2. Step 2: Convert to fraction form
    56,815.80/85,223.69 = 17,372.91/x
  3. Step 3: Cross multiply
    56,815.80x = 85,223.69 × 17,372.91
  4. Step 4: Simplify right side
    56,815.80x = 1,480,583,409.37
  5. Step 5: Solve for x
    x = 1,480,583,409.37/56,815.80
  6. Step 6: Final answer
    x = 26,059.36

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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.