Home / 86,673.30-129,787.99-59,982.33

Finding the Fourth Proportional to 86,673.30, 129,787.99 and 59,982.33

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Solution

The fourth proportional to 86,673.30, 129,787.99 and 59,982.33 is: 89,819.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,673.30 : 129,787.99 = 59,982.33 : x
  2. Step 2: Convert to fraction form
    86,673.30/129,787.99 = 59,982.33/x
  3. Step 3: Cross multiply
    86,673.30x = 129,787.99 × 59,982.33
  4. Step 4: Simplify right side
    86,673.30x = 7,784,986,046.22
  5. Step 5: Solve for x
    x = 7,784,986,046.22/86,673.30
  6. Step 6: Final answer
    x = 89,819.89

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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.