Home / 57,408.02-86,031.84-27,818

Finding the Fourth Proportional to 57,408.02, 86,031.84 and 27,818

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Solution

The fourth proportional to 57,408.02, 86,031.84 and 27,818 is: 41,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,408.02 : 86,031.84 = 27,818 : x
  2. Step 2: Convert to fraction form
    57,408.02/86,031.84 = 27,818/x
  3. Step 3: Cross multiply
    57,408.02x = 86,031.84 × 27,818
  4. Step 4: Simplify right side
    57,408.02x = 2,393,233,725.12
  5. Step 5: Solve for x
    x = 2,393,233,725.12/57,408.02
  6. Step 6: Final answer
    x = 41,688.14

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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.