Home / 81,176.63-111,984.66-50,947.02

Finding the Fourth Proportional to 81,176.63, 111,984.66 and 50,947.02

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Solution

The fourth proportional to 81,176.63, 111,984.66 and 50,947.02 is: 70,282.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,176.63 : 111,984.66 = 50,947.02 : x
  2. Step 2: Convert to fraction form
    81,176.63/111,984.66 = 50,947.02/x
  3. Step 3: Cross multiply
    81,176.63x = 111,984.66 × 50,947.02
  4. Step 4: Simplify right side
    81,176.63x = 5,705,284,712.71
  5. Step 5: Solve for x
    x = 5,705,284,712.71/81,176.63
  6. Step 6: Final answer
    x = 70,282.36

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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.