Home / 67,687.04-93,351.49-50,731.11

Finding the Fourth Proportional to 67,687.04, 93,351.49 and 50,731.11

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Solution

The fourth proportional to 67,687.04, 93,351.49 and 50,731.11 is: 69,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,687.04 : 93,351.49 = 50,731.11 : x
  2. Step 2: Convert to fraction form
    67,687.04/93,351.49 = 50,731.11/x
  3. Step 3: Cross multiply
    67,687.04x = 93,351.49 × 50,731.11
  4. Step 4: Simplify right side
    67,687.04x = 4,735,824,581.03
  5. Step 5: Solve for x
    x = 4,735,824,581.03/67,687.04
  6. Step 6: Final answer
    x = 69,966.49

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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.