Home / 82,357.95-123,673.62-51,390.03

Finding the Fourth Proportional to 82,357.95, 123,673.62 and 51,390.03

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Solution

The fourth proportional to 82,357.95, 123,673.62 and 51,390.03 is: 77,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,357.95 : 123,673.62 = 51,390.03 : x
  2. Step 2: Convert to fraction form
    82,357.95/123,673.62 = 51,390.03/x
  3. Step 3: Cross multiply
    82,357.95x = 123,673.62 × 51,390.03
  4. Step 4: Simplify right side
    82,357.95x = 6,355,591,042.01
  5. Step 5: Solve for x
    x = 6,355,591,042.01/82,357.95
  6. Step 6: Final answer
    x = 77,170.34

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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.