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Finding the Fourth Proportional to 84,969.39, 127,279.08 and 49,824.30

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Solution

The fourth proportional to 84,969.39, 127,279.08 and 49,824.30 is: 74,633.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,969.39 : 127,279.08 = 49,824.30 : x
  2. Step 2: Convert to fraction form
    84,969.39/127,279.08 = 49,824.30/x
  3. Step 3: Cross multiply
    84,969.39x = 127,279.08 × 49,824.30
  4. Step 4: Simplify right side
    84,969.39x = 6,341,591,065.64
  5. Step 5: Solve for x
    x = 6,341,591,065.64/84,969.39
  6. Step 6: Final answer
    x = 74,633.83

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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.