Home / 113,346.54-156,415.79-61,662.26

Finding the Fourth Proportional to 113,346.54, 156,415.79 and 61,662.26

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Solution

The fourth proportional to 113,346.54, 156,415.79 and 61,662.26 is: 85,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,346.54 : 156,415.79 = 61,662.26 : x
  2. Step 2: Convert to fraction form
    113,346.54/156,415.79 = 61,662.26/x
  3. Step 3: Cross multiply
    113,346.54x = 156,415.79 × 61,662.26
  4. Step 4: Simplify right side
    113,346.54x = 9,644,951,656.28
  5. Step 5: Solve for x
    x = 9,644,951,656.28/113,346.54
  6. Step 6: Final answer
    x = 85,092.60

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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.