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Finding the Fourth Proportional to 69,710.80, 96,200.70 and 37,879.70

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Solution

The fourth proportional to 69,710.80, 96,200.70 and 37,879.70 is: 52,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,710.80 : 96,200.70 = 37,879.70 : x
  2. Step 2: Convert to fraction form
    69,710.80/96,200.70 = 37,879.70/x
  3. Step 3: Cross multiply
    69,710.80x = 96,200.70 × 37,879.70
  4. Step 4: Simplify right side
    69,710.80x = 3,644,053,655.79
  5. Step 5: Solve for x
    x = 3,644,053,655.79/69,710.80
  6. Step 6: Final answer
    x = 52,273.88

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1.5x scale

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.