Home / 56,918.80-85,388.10-23,620.60

Finding the Fourth Proportional to 56,918.80, 85,388.10 and 23,620.60

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Solution

The fourth proportional to 56,918.80, 85,388.10 and 23,620.60 is: 35,435.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918.80 : 85,388.10 = 23,620.60 : x
  2. Step 2: Convert to fraction form
    56,918.80/85,388.10 = 23,620.60/x
  3. Step 3: Cross multiply
    56,918.80x = 85,388.10 × 23,620.60
  4. Step 4: Simplify right side
    56,918.80x = 2,016,918,154.86
  5. Step 5: Solve for x
    x = 2,016,918,154.86/56,918.80
  6. Step 6: Final answer
    x = 35,435.01

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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.