Home / 56,000.80-83,999.40-18,562.60

Finding the Fourth Proportional to 56,000.80, 83,999.40 and 18,562.60

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Solution

The fourth proportional to 56,000.80, 83,999.40 and 18,562.60 is: 27,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000.80 : 83,999.40 = 18,562.60 : x
  2. Step 2: Convert to fraction form
    56,000.80/83,999.40 = 18,562.60/x
  3. Step 3: Cross multiply
    56,000.80x = 83,999.40 × 18,562.60
  4. Step 4: Simplify right side
    56,000.80x = 1,559,247,262.44
  5. Step 5: Solve for x
    x = 1,559,247,262.44/56,000.80
  6. Step 6: Final answer
    x = 27,843.30

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1.5x scale

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.