Home / 68,723.28-103,124.56-37,133.42

Finding the Fourth Proportional to 68,723.28, 103,124.56 and 37,133.42

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Solution

The fourth proportional to 68,723.28, 103,124.56 and 37,133.42 is: 55,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,723.28 : 103,124.56 = 37,133.42 : x
  2. Step 2: Convert to fraction form
    68,723.28/103,124.56 = 37,133.42/x
  3. Step 3: Cross multiply
    68,723.28x = 103,124.56 × 37,133.42
  4. Step 4: Simplify right side
    68,723.28x = 3,829,367,598.80
  5. Step 5: Solve for x
    x = 3,829,367,598.80/68,723.28
  6. Step 6: Final answer
    x = 55,721.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.