Home / 56,731.28-85,090.44-15,181.52

Finding the Fourth Proportional to 56,731.28, 85,090.44 and 15,181.52

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Solution

The fourth proportional to 56,731.28, 85,090.44 and 15,181.52 is: 22,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,731.28 : 85,090.44 = 15,181.52 : x
  2. Step 2: Convert to fraction form
    56,731.28/85,090.44 = 15,181.52/x
  3. Step 3: Cross multiply
    56,731.28x = 85,090.44 × 15,181.52
  4. Step 4: Simplify right side
    56,731.28x = 1,291,802,216.67
  5. Step 5: Solve for x
    x = 1,291,802,216.67/56,731.28
  6. Step 6: Final answer
    x = 22,770.55

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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.