Home / 67,640.68-93,338.70-37,425.28

Finding the Fourth Proportional to 67,640.68, 93,338.70 and 37,425.28

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Solution

The fourth proportional to 67,640.68, 93,338.70 and 37,425.28 is: 51,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,640.68 : 93,338.70 = 37,425.28 : x
  2. Step 2: Convert to fraction form
    67,640.68/93,338.70 = 37,425.28/x
  3. Step 3: Cross multiply
    67,640.68x = 93,338.70 × 37,425.28
  4. Step 4: Simplify right side
    67,640.68x = 3,493,226,982.34
  5. Step 5: Solve for x
    x = 3,493,226,982.34/67,640.68
  6. Step 6: Final answer
    x = 51,643.88

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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.