Home / 61,789.69-85,273.45-34,934.70

Finding the Fourth Proportional to 61,789.69, 85,273.45 and 34,934.70

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Solution

The fourth proportional to 61,789.69, 85,273.45 and 34,934.70 is: 48,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,789.69 : 85,273.45 = 34,934.70 : x
  2. Step 2: Convert to fraction form
    61,789.69/85,273.45 = 34,934.70/x
  3. Step 3: Cross multiply
    61,789.69x = 85,273.45 × 34,934.70
  4. Step 4: Simplify right side
    61,789.69x = 2,979,002,393.72
  5. Step 5: Solve for x
    x = 2,979,002,393.72/61,789.69
  6. Step 6: Final answer
    x = 48,211.97

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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.