Home / 123,850.88-170,925.36-70,148.96

Finding the Fourth Proportional to 123,850.88, 170,925.36 and 70,148.96

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Solution

The fourth proportional to 123,850.88, 170,925.36 and 70,148.96 is: 96,811.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,850.88 : 170,925.36 = 70,148.96 : x
  2. Step 2: Convert to fraction form
    123,850.88/170,925.36 = 70,148.96/x
  3. Step 3: Cross multiply
    123,850.88x = 170,925.36 × 70,148.96
  4. Step 4: Simplify right side
    123,850.88x = 11,990,236,241.63
  5. Step 5: Solve for x
    x = 11,990,236,241.63/123,850.88
  6. Step 6: Final answer
    x = 96,811.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.