Home / 82,140.44-123,222.81-25,967.79

Finding the Fourth Proportional to 82,140.44, 123,222.81 and 25,967.79

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Solution

The fourth proportional to 82,140.44, 123,222.81 and 25,967.79 is: 38,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,140.44 : 123,222.81 = 25,967.79 : x
  2. Step 2: Convert to fraction form
    82,140.44/123,222.81 = 25,967.79/x
  3. Step 3: Cross multiply
    82,140.44x = 123,222.81 × 25,967.79
  4. Step 4: Simplify right side
    82,140.44x = 3,199,824,053.29
  5. Step 5: Solve for x
    x = 3,199,824,053.29/82,140.44
  6. Step 6: Final answer
    x = 38,955.53

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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.