Home / 84,947.40-127,518.30-49,906.80

Finding the Fourth Proportional to 84,947.40, 127,518.30 and 49,906.80

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Solution

The fourth proportional to 84,947.40, 127,518.30 and 49,906.80 is: 74,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,947.40 : 127,518.30 = 49,906.80 : x
  2. Step 2: Convert to fraction form
    84,947.40/127,518.30 = 49,906.80/x
  3. Step 3: Cross multiply
    84,947.40x = 127,518.30 × 49,906.80
  4. Step 4: Simplify right side
    84,947.40x = 6,364,030,294.44
  5. Step 5: Solve for x
    x = 6,364,030,294.44/84,947.40
  6. Step 6: Final answer
    x = 74,917.31

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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.