Home / 110,878.94-166,334.84-40,752.78

Finding the Fourth Proportional to 110,878.94, 166,334.84 and 40,752.78

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Solution

The fourth proportional to 110,878.94, 166,334.84 and 40,752.78 is: 61,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,878.94 : 166,334.84 = 40,752.78 : x
  2. Step 2: Convert to fraction form
    110,878.94/166,334.84 = 40,752.78/x
  3. Step 3: Cross multiply
    110,878.94x = 166,334.84 × 40,752.78
  4. Step 4: Simplify right side
    110,878.94x = 6,778,607,140.86
  5. Step 5: Solve for x
    x = 6,778,607,140.86/110,878.94
  6. Step 6: Final answer
    x = 61,135.21

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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.