Home / 67,823.87-93,578.15-39,141.51

Finding the Fourth Proportional to 67,823.87, 93,578.15 and 39,141.51

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Solution

The fourth proportional to 67,823.87, 93,578.15 and 39,141.51 is: 54,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,823.87 : 93,578.15 = 39,141.51 : x
  2. Step 2: Convert to fraction form
    67,823.87/93,578.15 = 39,141.51/x
  3. Step 3: Cross multiply
    67,823.87x = 93,578.15 × 39,141.51
  4. Step 4: Simplify right side
    67,823.87x = 3,662,789,898.30
  5. Step 5: Solve for x
    x = 3,662,789,898.30/67,823.87
  6. Step 6: Final answer
    x = 54,004.44

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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.