Home / 103,649.54-154,665.94-92,479.46

Finding the Fourth Proportional to 103,649.54, 154,665.94 and 92,479.46

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Solution

The fourth proportional to 103,649.54, 154,665.94 and 92,479.46 is: 137,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,649.54 : 154,665.94 = 92,479.46 : x
  2. Step 2: Convert to fraction form
    103,649.54/154,665.94 = 92,479.46/x
  3. Step 3: Cross multiply
    103,649.54x = 154,665.94 × 92,479.46
  4. Step 4: Simplify right side
    103,649.54x = 14,303,422,611.59
  5. Step 5: Solve for x
    x = 14,303,422,611.59/103,649.54
  6. Step 6: Final answer
    x = 137,997.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.