Home / 67,816.40-93,582.07-39,137.27

Finding the Fourth Proportional to 67,816.40, 93,582.07 and 39,137.27

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Solution

The fourth proportional to 67,816.40, 93,582.07 and 39,137.27 is: 54,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,816.40 : 93,582.07 = 39,137.27 : x
  2. Step 2: Convert to fraction form
    67,816.40/93,582.07 = 39,137.27/x
  3. Step 3: Cross multiply
    67,816.40x = 93,582.07 × 39,137.27
  4. Step 4: Simplify right side
    67,816.40x = 3,662,546,175.00
  5. Step 5: Solve for x
    x = 3,662,546,175.00/67,816.40
  6. Step 6: Final answer
    x = 54,006.79

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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.