Home / 81,917.31-122,875.77-46,832.37

Finding the Fourth Proportional to 81,917.31, 122,875.77 and 46,832.37

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Solution

The fourth proportional to 81,917.31, 122,875.77 and 46,832.37 is: 70,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,917.31 : 122,875.77 = 46,832.37 : x
  2. Step 2: Convert to fraction form
    81,917.31/122,875.77 = 46,832.37/x
  3. Step 3: Cross multiply
    81,917.31x = 122,875.77 × 46,832.37
  4. Step 4: Simplify right side
    81,917.31x = 5,754,563,524.67
  5. Step 5: Solve for x
    x = 5,754,563,524.67/81,917.31
  6. Step 6: Final answer
    x = 70,248.44

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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.