Home / 91,874.45-126,789.81-51,595.38

Finding the Fourth Proportional to 91,874.45, 126,789.81 and 51,595.38

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Solution

The fourth proportional to 91,874.45, 126,789.81 and 51,595.38 is: 71,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,874.45 : 126,789.81 = 51,595.38 : x
  2. Step 2: Convert to fraction form
    91,874.45/126,789.81 = 51,595.38/x
  3. Step 3: Cross multiply
    91,874.45x = 126,789.81 × 51,595.38
  4. Step 4: Simplify right side
    91,874.45x = 6,541,768,233.60
  5. Step 5: Solve for x
    x = 6,541,768,233.60/91,874.45
  6. Step 6: Final answer
    x = 71,203.34

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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.