Home / 81,236.73-121,803.19-39,032.83

Finding the Fourth Proportional to 81,236.73, 121,803.19 and 39,032.83

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Solution

The fourth proportional to 81,236.73, 121,803.19 and 39,032.83 is: 58,524.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,236.73 : 121,803.19 = 39,032.83 : x
  2. Step 2: Convert to fraction form
    81,236.73/121,803.19 = 39,032.83/x
  3. Step 3: Cross multiply
    81,236.73x = 121,803.19 × 39,032.83
  4. Step 4: Simplify right side
    81,236.73x = 4,754,323,208.73
  5. Step 5: Solve for x
    x = 4,754,323,208.73/81,236.73
  6. Step 6: Final answer
    x = 58,524.31

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1.5x scale

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.