Home / 67,929.75-93,743.19-39,637.26

Finding the Fourth Proportional to 67,929.75, 93,743.19 and 39,637.26

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Solution

The fourth proportional to 67,929.75, 93,743.19 and 39,637.26 is: 54,699.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,929.75 : 93,743.19 = 39,637.26 : x
  2. Step 2: Convert to fraction form
    67,929.75/93,743.19 = 39,637.26/x
  3. Step 3: Cross multiply
    67,929.75x = 93,743.19 × 39,637.26
  4. Step 4: Simplify right side
    67,929.75x = 3,715,723,195.26
  5. Step 5: Solve for x
    x = 3,715,723,195.26/67,929.75
  6. Step 6: Final answer
    x = 54,699.50

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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.