Home / 67,813.26-93,582.65-39,134.12

Finding the Fourth Proportional to 67,813.26, 93,582.65 and 39,134.12

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Solution

The fourth proportional to 67,813.26, 93,582.65 and 39,134.12 is: 54,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,813.26 : 93,582.65 = 39,134.12 : x
  2. Step 2: Convert to fraction form
    67,813.26/93,582.65 = 39,134.12/x
  3. Step 3: Cross multiply
    67,813.26x = 93,582.65 × 39,134.12
  4. Step 4: Simplify right side
    67,813.26x = 3,662,273,991.43
  5. Step 5: Solve for x
    x = 3,662,273,991.43/67,813.26
  6. Step 6: Final answer
    x = 54,005.28

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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.