Home / 85,216.44-117,595.98-53,402.52

Finding the Fourth Proportional to 85,216.44, 117,595.98 and 53,402.52

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Solution

The fourth proportional to 85,216.44, 117,595.98 and 53,402.52 is: 73,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,216.44 : 117,595.98 = 53,402.52 : x
  2. Step 2: Convert to fraction form
    85,216.44/117,595.98 = 53,402.52/x
  3. Step 3: Cross multiply
    85,216.44x = 117,595.98 × 53,402.52
  4. Step 4: Simplify right side
    85,216.44x = 6,279,921,673.87
  5. Step 5: Solve for x
    x = 6,279,921,673.87/85,216.44
  6. Step 6: Final answer
    x = 73,693.78

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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.