Home / 110,872.40-166,272.15-40,742.60

Finding the Fourth Proportional to 110,872.40, 166,272.15 and 40,742.60

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Solution

The fourth proportional to 110,872.40, 166,272.15 and 40,742.60 is: 61,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,872.40 : 166,272.15 = 40,742.60 : x
  2. Step 2: Convert to fraction form
    110,872.40/166,272.15 = 40,742.60/x
  3. Step 3: Cross multiply
    110,872.40x = 166,272.15 × 40,742.60
  4. Step 4: Simplify right side
    110,872.40x = 6,774,359,698.59
  5. Step 5: Solve for x
    x = 6,774,359,698.59/110,872.40
  6. Step 6: Final answer
    x = 61,100.51

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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.