Home / 84,182.22-116,134.78-55,465.02

Finding the Fourth Proportional to 84,182.22, 116,134.78 and 55,465.02

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Solution

The fourth proportional to 84,182.22, 116,134.78 and 55,465.02 is: 76,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,182.22 : 116,134.78 = 55,465.02 : x
  2. Step 2: Convert to fraction form
    84,182.22/116,134.78 = 55,465.02/x
  3. Step 3: Cross multiply
    84,182.22x = 116,134.78 × 55,465.02
  4. Step 4: Simplify right side
    84,182.22x = 6,441,417,895.40
  5. Step 5: Solve for x
    x = 6,441,417,895.40/84,182.22
  6. Step 6: Final answer
    x = 76,517.56

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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.