Home / 57,254.77-85,872.43-15,135.31

Finding the Fourth Proportional to 57,254.77, 85,872.43 and 15,135.31

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Solution

The fourth proportional to 57,254.77, 85,872.43 and 15,135.31 is: 22,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,254.77 : 85,872.43 = 15,135.31 : x
  2. Step 2: Convert to fraction form
    57,254.77/85,872.43 = 15,135.31/x
  3. Step 3: Cross multiply
    57,254.77x = 85,872.43 × 15,135.31
  4. Step 4: Simplify right side
    57,254.77x = 1,299,705,848.50
  5. Step 5: Solve for x
    x = 1,299,705,848.50/57,254.77
  6. Step 6: Final answer
    x = 22,700.39

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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.