Home / 84,850.79-117,087.26-49,043.12

Finding the Fourth Proportional to 84,850.79, 117,087.26 and 49,043.12

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Solution

The fourth proportional to 84,850.79, 117,087.26 and 49,043.12 is: 67,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,850.79 : 117,087.26 = 49,043.12 : x
  2. Step 2: Convert to fraction form
    84,850.79/117,087.26 = 49,043.12/x
  3. Step 3: Cross multiply
    84,850.79x = 117,087.26 × 49,043.12
  4. Step 4: Simplify right side
    84,850.79x = 5,742,323,712.00
  5. Step 5: Solve for x
    x = 5,742,323,712.00/84,850.79
  6. Step 6: Final answer
    x = 67,675.55

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1.5x scale

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.