Home / 67,270.63-92,833.49-38,992.72

Finding the Fourth Proportional to 67,270.63, 92,833.49 and 38,992.72

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Solution

The fourth proportional to 67,270.63, 92,833.49 and 38,992.72 is: 53,809.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,270.63 : 92,833.49 = 38,992.72 : x
  2. Step 2: Convert to fraction form
    67,270.63/92,833.49 = 38,992.72/x
  3. Step 3: Cross multiply
    67,270.63x = 92,833.49 × 38,992.72
  4. Step 4: Simplify right side
    67,270.63x = 3,619,829,623.06
  5. Step 5: Solve for x
    x = 3,619,829,623.06/67,270.63
  6. Step 6: Final answer
    x = 53,809.96

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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.