Home / 85,257.37-117,652.45-47,018.52

Finding the Fourth Proportional to 85,257.37, 117,652.45 and 47,018.52

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Solution

The fourth proportional to 85,257.37, 117,652.45 and 47,018.52 is: 64,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,257.37 : 117,652.45 = 47,018.52 : x
  2. Step 2: Convert to fraction form
    85,257.37/117,652.45 = 47,018.52/x
  3. Step 3: Cross multiply
    85,257.37x = 117,652.45 × 47,018.52
  4. Step 4: Simplify right side
    85,257.37x = 5,531,844,073.37
  5. Step 5: Solve for x
    x = 5,531,844,073.37/85,257.37
  6. Step 6: Final answer
    x = 64,884.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.