Home / 85,262.31-117,662.89-47,023.53

Finding the Fourth Proportional to 85,262.31, 117,662.89 and 47,023.53

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Solution

The fourth proportional to 85,262.31, 117,662.89 and 47,023.53 is: 64,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,262.31 : 117,662.89 = 47,023.53 : x
  2. Step 2: Convert to fraction form
    85,262.31/117,662.89 = 47,023.53/x
  3. Step 3: Cross multiply
    85,262.31x = 117,662.89 × 47,023.53
  4. Step 4: Simplify right side
    85,262.31x = 5,532,924,437.80
  5. Step 5: Solve for x
    x = 5,532,924,437.80/85,262.31
  6. Step 6: Final answer
    x = 64,892.97

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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.