Home / 68,975.76-103,377.06-29,486.46

Finding the Fourth Proportional to 68,975.76, 103,377.06 and 29,486.46

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Solution

The fourth proportional to 68,975.76, 103,377.06 and 29,486.46 is: 44,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,975.76 : 103,377.06 = 29,486.46 : x
  2. Step 2: Convert to fraction form
    68,975.76/103,377.06 = 29,486.46/x
  3. Step 3: Cross multiply
    68,975.76x = 103,377.06 × 29,486.46
  4. Step 4: Simplify right side
    68,975.76x = 3,048,223,544.61
  5. Step 5: Solve for x
    x = 3,048,223,544.61/68,975.76
  6. Step 6: Final answer
    x = 44,192.68

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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.