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Finding the Fourth Proportional to 73,035, 100,788.31 and 39,501

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Solution

The fourth proportional to 73,035, 100,788.31 and 39,501 is: 54,511.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,035 : 100,788.31 = 39,501 : x
  2. Step 2: Convert to fraction form
    73,035/100,788.31 = 39,501/x
  3. Step 3: Cross multiply
    73,035x = 100,788.31 × 39,501
  4. Step 4: Simplify right side
    73,035x = 3,981,238,934.56
  5. Step 5: Solve for x
    x = 3,981,238,934.56/73,035
  6. Step 6: Final answer
    x = 54,511.38

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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.