Home / 84,635.74-116,766.06-50,645.02

Finding the Fourth Proportional to 84,635.74, 116,766.06 and 50,645.02

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Solution

The fourth proportional to 84,635.74, 116,766.06 and 50,645.02 is: 69,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,635.74 : 116,766.06 = 50,645.02 : x
  2. Step 2: Convert to fraction form
    84,635.74/116,766.06 = 50,645.02/x
  3. Step 3: Cross multiply
    84,635.74x = 116,766.06 × 50,645.02
  4. Step 4: Simplify right side
    84,635.74x = 5,913,619,444.02
  5. Step 5: Solve for x
    x = 5,913,619,444.02/84,635.74
  6. Step 6: Final answer
    x = 69,871.42

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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.