Home / 56,686.30-85,039.11-23,388.14

Finding the Fourth Proportional to 56,686.30, 85,039.11 and 23,388.14

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Solution

The fourth proportional to 56,686.30, 85,039.11 and 23,388.14 is: 35,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,686.30 : 85,039.11 = 23,388.14 : x
  2. Step 2: Convert to fraction form
    56,686.30/85,039.11 = 23,388.14/x
  3. Step 3: Cross multiply
    56,686.30x = 85,039.11 × 23,388.14
  4. Step 4: Simplify right side
    56,686.30x = 1,988,906,610.16
  5. Step 5: Solve for x
    x = 1,988,906,610.16/56,686.30
  6. Step 6: Final answer
    x = 35,086.20

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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.