Home / 56,888.56-85,343.83-21,825.48

Finding the Fourth Proportional to 56,888.56, 85,343.83 and 21,825.48

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Solution

The fourth proportional to 56,888.56, 85,343.83 and 21,825.48 is: 32,742.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,888.56 : 85,343.83 = 21,825.48 : x
  2. Step 2: Convert to fraction form
    56,888.56/85,343.83 = 21,825.48/x
  3. Step 3: Cross multiply
    56,888.56x = 85,343.83 × 21,825.48
  4. Step 4: Simplify right side
    56,888.56x = 1,862,670,320.26
  5. Step 5: Solve for x
    x = 1,862,670,320.26/56,888.56
  6. Step 6: Final answer
    x = 32,742.44

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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.